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8.16.1/8.16.1 2020/07/05
SECURITY: If sendmail tried to reuse an SMTP session which had
already been closed by the server, then the connection
cache could have invalid information about the session.
One possible consequence was that STARTTLS was not
used even if offered. This problem has been fixed
by clearing out all relevant status information
when a closed session is encountered.
OpenSSL versions before 0.9.8 are no longer supported.
OpenSSL version 1.1.0 and 1.1.1 are supported.
Initial support for DANE (see RFC 7672 et.al.) is available if
the compile time option DANE is set. Only TLSA RR 3-1-x
is currently implemented.
New options SSLEngine and SSLEnginePath to support OpenSSL engines.
Note: this feature has so far only been tested with the
"chil" engine; please report problems with other engines
if you encounter any.
New option CRLPath to specify a directory which contains
hashes pointing to certificate revocations files.
Based on patch from Al Smith.
New rulesets tls_srv_features and tls_clt_features which
can return a (semicolon separated) list of TLS related
options, e.g., CipherList, CertFile, KeyFile,
see doc/op/op.me for details.
To automatically handle TLS interoperability problems for outgoing
mail, sendmail can now immediately try a connection again
without STARTTLS after a TLS handshake failure.
This can be configured globally via the option
TLSFallbacktoClear or per session via the 'C' flag
of tls_clt_features.
This also adds the new value "CLEAR" for the macro
{verify}: STARTTLS has been disabled internally for
a clear text delivery attempt.
Apply Timeout.starttls also to the server waiting for the TLS
handshake to begin. Based on patch from Simon Hradecky.
New compile time option TLS_EC to enable the use of elliptic
curve cryptography in STARTTLS (previously available as
_FFR_TLS_EC).
Handle MIME boundaries specified in headers which contain CRLF.
Fix detection of loopback net (it was broken when compiled
with NETINET6) and only set the macros {if_addr_out}
and {if_family_out} if the interface of the outgoing
connection does not belong to the loopback net.
Fix logic to enable a milter to delete a recipient in
DeliveryMode=interactive even if it might be subject
to alias expansion.
Log name of a milter making changes (this was missing for
some functions).
Log the actual reply of a server when an SMTP delivery problem
occurs in a "reply=" field if possible.
Log user= for failed AUTH attempts if possible. Based on
patch from Packet Hack, Jim Hranicky, Kevin A. McGrail,
and Joe Quinn.
Add CDB as map type. Note: CDB is a "Constant DataBase", i.e.,
no changes can be made after it is created, hence it
does not work with vacation(1) nor editmap(8) (except
for query mode).
Fix some memory leaks (mostly in error cases) and properly handle
copied varargs in sm_io_vfprintf(). The issues were found
using Coverity Scan and reported (including patches) by
Ondřej Lysoněk of Red Hat.
Do not override ServerSSLOptions and ClientSSLOptions when they
are specified on the command line. Based on patch from
Hiroki Sato.
Add RFC7505 Null MX support for domains that declare they do not
accept mail.
New compile time option LDAP_NETWORK_TIMEOUT which is set
automatically when LDAPMAP is used and
LDAP_OPT_NETWORK_TIMEOUT is available to enable the
new -c option for LDAP maps to specify the network timeout.
CONFIG: New FEATURE(`tls_session_features') to enable standard
rules for tls_srv_features and tls_clt_features; for
details see cf/README.
CONFIG: New options confSSL_ENGINE and confSSL_ENGINE_PATH
for SSLEngine and SSLEnginePath, respectively.
CONFIG: New options confDANE to enable DANE support.
CONFIG: New option confTLS_FALLBACK_TO_CLEAR for TLSFallbacktoClear.
CONFIG: New extension CITag: for TLS restrictions, see cf/README
for details.
CONFIG: FEATURE(`blacklist_recipients') renamed to
FEATURE(`blocklist_recipients').
CONTRIB: cidrexpand updated to support IPv6 CIDR ranges and to
canonicalize IPv6 addresses; if cidrexpand is used with IPv6
addresses then UseCompressedIPv6Addresses must be disabled.
DOC: The dns map can return multiple values in a single result
if the -z option is used.
DOC: Note to set MustQuoteChars=. due to DKIM signatures.
LIBMILTER: Fix typo in a macro. Patch from Ignacio Goyret
of Alcatel-Lucent.
LIBMILTER: Fix reference in xxfi_negotiate documentation.
Patch from Sven Neuhaus.
LIBMILTER: Fix function name in smfi_addrcpt_par documentation.
Patch from G.W. Haywood.
LIBMILTER: Fix a potential memory leak in smfi_setsymlist().
Patch from Martin Svec.
MAKEMAP: New map type "implicit" refers to the first available type,
i.e., it depends on the compile time options NEWDB, DBM,
and CDB. This can be used in conjunction with the
"implicit" map type in sendmail.cf.
Note: makemap, libsmdb, and sendmail must be compiled
with the same options (and library versions of course).
Portability:
Add support for Darwin 14-18 (Mac OS X 10.x).
New option HAS_GETHOSTBYNAME2: set if your system
supports gethostbyname2(2).
Set SM_CONF_SEM=2 for FreeBSD 12 and later due to
changes in sys/sem.h
On Linux set MAXHOSTNAMELEN (the maximum length
of a FQHN) to 256 if it is less than that value.
Added Files:
cf/feature/blocklist_recipients.m4
cf/feature/tls_failures.m4
devtools/OS/Darwin.14.x
devtools/OS/Darwin.15.x
devtools/OS/Darwin.16.x
libsmdb/smcdb.c
sendmail/ratectrl.h
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pkgsrc change: default to enable TLS
- this has been requested a couple of times and most systems are going
to have a recent enough version of openssl so in most cases there
won't be additional dependencies
8.15.2/8.15.2 2015/07/03
If FEATURE(`nopercenthack') is used then some bogus input triggered
a recursion which was caught and logged as
SYSERR: rewrite: excessive recursion (max 50) ...
Fix based on patch from Ondrej Holas.
DHParameters now by default uses an included 2048 bit prime.
The value 'none' previously caused a log entry claiming
there was an error "cannot read or set DH parameters".
Also note that this option applies to the server side only.
The U= mailer field didn't accept group names containing hyphens,
underbars, or periods. Based on patch from David Gwynne
of the University of Queensland.
CONFIG: Allow connections from IPv6:0:0:0:0:0:0:0:1 to relay again.
Patch from Lars-Johan Liman of Netnod Internet Exchange.
CONFIG: New option UseCompressedIPv6Addresses to select between
compressed and uncompressed IPv6 addresses. The default
value depends on the compile-time option IPV6_FULL:
For 1 the default is False, for 0 it is True, thus
preserving the current behaviour. Based on patch from
John Beck of Oracle.
CONFIG: Account for IPv6 localhost addresses in
FEATURE(`block_bad_helo'). Suggested by Andrey Chernov
from FreeBSD and Robert Scheck from the Fedora Project.
CONFIG: Account for IPv6 localhost addresses in check_mail ruleset.
LIBMILTER: Deal with more invalid protocol data to avoid potential
crashes. Problem noted by Dimitri Kirchner.
LIBMILTER: Allow a milter to specify an empty macro list ("", not
NULL) in smfi_setsymlist() so no macro is sent for the
selected stage.
MAKEMAP: A change to check TrustedUser in fewer cases which was
made in 2013 caused a potential regression when makemap
was run as root (which should not be done anyway).
Note: sendmail often contains options "For Future Releases"
(prefix _FFR_) which might be enabled in a subsequent
version or might simply be removed as they turned out not
to be really useful. These features are usually not
documented but if they are, then the required (FFR)
options are listed in
- doc/op/op.* for rulesets and macros,
- cf/README for mc/cf options.
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Note that there was an incompatible config change for IPv6 users.
See the MESSAGE file for details.
pkgsrc change: delete a couple of patches that have been upstreamed
Proofpoint, Inc., and the Sendmail Consortium announce the availability
of sendmail 8.15.1. This release:
o offers more TLS related features,
o does not ignore temporary map lookup failures during header rewriting,
o uses uncompressed IPv6 addresses by default, which is an incompatible
change that requires to update IPv6 related configuration data.
as well as many other enhancements. For details see the release
notes below.
SENDMAIL RELEASE NOTES
This listing shows the version of the sendmail binary, the version
of the sendmail configuration files, the date of release, and a
summary of the changes in that release.
8.15.1/8.15.1 2014/12/06
SECURITY: Properly set the close-on-exec flag for file descriptors
(except stdin, stdout, and stderr) before executing mailers.
If header rewriting fails due to a temporary map lookup failure,
queue the mail for later retry instead of sending it
without rewriting the header. Note: this is done
while the mail is being sent and hence the transaction
is aborted, which only works for SMTP/LMTP mailers
hence the handling of temporary map failures is
suppressed for other mailers. SMTP/LMTP servers may
complain about aborted transactions when this problem
occurs.
See also "DNS Lookups" in sendmail/TUNING.
Incompatible Change: Use uncompressed IPv6 addresses by default,
i.e., they will not contain "::". For example,
instead of ::1 it will be 0:0:0:0:0:0:0:1. This
permits a zero subnet to have a more specific match,
such as different map entries for IPv6:0:0 vs IPv6:0.
This change requires that configuration data
(including maps, files, classes, custom ruleset,
etc) must use the same format, so make certain such
configuration data is updated before using 8.15.
As a very simple check search for patterns like
'IPv6:[0-9a-fA-F:]*::' and 'IPv6::'. If necessary,
the prior format can be retained by compiling with:
APPENDDEF(`conf_sendmail_ENVDEF', `-DIPV6_FULL=0')
in your devtools/Site/site.config.m4 file.
If debugging is turned on (-d0.14) also print the OpenSSL
versions, both build time and run time
(provided STARTTLS is compiled in).
If a connection to the MTA is dropped by the client before its
hostname can be validated, treat it as "may be forged",
so that the unvalidated hostname is not passed to a
milter in xxfi_connect().
Add a timeout for communication with socket map servers
which can be specified using the -d option.
Add a compile time option HESIOD_ALLOW_NUMERIC_LOGIN to allow
numeric logins even if HESIOD is enabled.
The new option CertFingerprintAlgorithm specifies the finger-
print algorithm (digest) to use for the presented cert.
If the option is not set, md5 is used and the macro
{cert_md5} contains the cert fingerprint.
However, if the option is set, the specified algorithm
(e.g., sha1) is used and the macro {cert_fp} contains
the cert fingerprint.
That is, as long as the option is not set, the behaviour
does not change, but otherwise, {cert_md5} is superseded
by {cert_fp} even if you set CertFingerprintAlgorithm
to md5.
The options ServerSSLOptions and ClientSSLOptions can be used
to set SSL options for the server and client side
respectively. See SSL_CTX_set_options(3) for a list.
Note: this change turns on SSL_OP_NO_SSLv2 and
SSL_OP_NO_TICKET for the client. See doc/op/op.me
for details.
A new map type "arpa" is available to reverse an IP (IPv4 or IPv6)
address. It returns the string for the PTR lookup, but
without trailing {ip6,in-addr}.arpa.
New operation mode 'C' just checks the configuration file, e.g.,
sendmail -C new.cf -bC
will perform a basic syntax/consistency check of new.cf.
The mailer flag 'I' is deprecated and will be removed in a
future version.
Allow local (not just TCP) socket connections to the server, e.g.,
O DaemonPortOptions=Family=local, Addr=/var/mta/server.sock
can be used.
If the new option MaxQueueAge is set to a value greater than zero,
entries in the queue will be retried during a queue run
only if the individual retry time has been reached which
is doubled for each attempt. The maximum retry time is
limited by the specified value.
New DontBlameSendmail option GroupReadableDefaultAuthInfoFile
to relax requirement for DefaultAuthInfo file.
Reset timeout after receiving a message to appropriate value if
STARTTLS is in use. Based on patch by Kelsey Cummings
of Sonic.net.
Report correct error messages from the LDAP library for a range of
small negative return values covering those used by OpenLDAP.
Fix compilation with Berkeley DB 5.0 and 6.0. Patch from
Allan E Johannesen of Worcester Polytechnic Institute.
CONFIG: FEATURE(`nopercenthack') takes one parameter: reject or
nospecial which describes whether to disallow "%" in the
local part of an address.
DEVTOOLS: Fix regression in auto-detection of libraries when only
shared libraries are available. Problem reported by
Bryan Costales.
LIBMILTER: Mark communication socket as close-on-exec in case
a user's filter starts other applications.
Based on patch from Paul Howarth.
Portability:
SunOS 5.12 has changed the API for sigwait(2) to conform
with XPG7. Based on patch from Roger Faulkner of Oracle.
Deleted Files:
libsm/path.c
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pkgsrc changes:
- consolidate several patches into site.config.m4
- pkgsrc LDFLAGS should always be used
- don't bother specifying file owner/group anywhere except in Makefile
- create include/sm/os/sm_os_netbsd.h to fix warnings and OS specific stuff
- install mail.local and rmail
- convert to use res_n* functions
- allows for linking against threaded libraries
- add a TODO file
- PR/35249 - Loren M. Lang
- can't find libraries on Linux, this should be fixed by using pkgsrc LDFLAGS
- PR/46694 - Makoto Fujiwara
- bring back netbsd-proto.mc from when sendmail was part of the base system
- PR/47207 - Richard Palo
- let pkgsrc infrastructure handle file ownership and group
- PR/48566 - Emmanuel Dreyfus
- always set _FFR_USE_GETPWNAM_ERRNO on NetBSD
- roll ffr_tls_1 and the suggested ffr_tls_ec into one new ffr_tls option
- not enabled by default because it changes behaviour
8.14.9/8.14.9 2014/05/21
SECURITY: Properly set the close-on-exec flag for file descriptors
(except stdin, stdout, and stderr) before executing mailers.
Fix a misformed comment in conf.c: "/*" within comment
which may cause a compilation error on some systems.
Problem reported by John Beck of Oracle.
DEVTOOLS: Fix regression in auto-detection of libraries when only
shared libraries are available. Problem reported by
Bryan Costales.
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These are now handled dynamically if INIT_SYSTEM is set to "rc.d", or
ignored otherwise.
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8.14.5/8.14.5 2011/05/17
Do not cache SMTP extensions across connections as the cache
is based on hostname which may not be a unique identifier
for a server, i.e., different machines may have the
same hostname but provide different SMTP extensions.
Problem noted by Jim Hermann.
Avoid an out-of-bounds access in case a resolver reply for a DNS
map lookup returns a size larger than 1K. Based on a
patch from Dr. Werner Fink of SuSE.
If a job is aborted using the interrupt signal (e.g., control-C from
the keyboard), perform minimal cleanup to avoid invoking
functions that are not signal-safe. Note: in previous
versions the mail might have been queued up already
and would be delivered subsequently, now an interrupt
will always remove the queue files and thus prevent
delivery.
Per RFC 6176, when operating as a TLS client, do not offer SSLv2.
Since TLS session resumption is never used as a client, disable
use of RFC 4507-style session tickets.
Work around gcc4 versions which reverse 25 years of history and
no longer align char buffers on the stack, breaking calls
to resolver functions on strict alignment platforms.
Found by Stuart Henderson of OpenBSD.
Read at most two AUTH lines from a server greeting (up to two
lines are read because servers may use "AUTH mechs" and
"AUTH=mechs"). Otherwise a malicious server may exhaust
the memory of the client. Bug report by Nils of MWR
InfoSecurity.
Avoid triggering an assertion in the OpenLDAP code when the
connection to an LDAP server is lost while making a query.
Problem noted and patch provided by Andy Fiddaman.
If ConnectOnlyTo is set and sendmail is compiled with NETINET6
it would try to use an IPv6 address if an IPv4 (or
unparseable) address is specified.
If SASLv2 is used, make sure that the macro {auth_authen} is
stored in xtext format to avoid problems with parsing
it. Problem noted by Christophe Wolfhugel.
CONFIG: FEATURE(`ldap_routing') in 8.14.4 tried to add a missing
-T<TMPF> that is required, but failed for some cases
that did not use LDAP. This change has been undone
until a better solution can be implemented. Problem
found by Andy Fiddaman.
CONFIG: Add cf/ostype/solaris11.m4 for Solaris11 support.
Contributed by Casper Dik of Oracle.
CONTRIB: qtool.pl: Deal with H entries that do not have a
letter between the question marks. Patch from
Stefan Christensen.
DOC: Use a better description for the -i option in sendmail.
Patch from Mitchell Berger.
Portability:
Add support for Darwin 10.x (Mac OS X 10.6).
Enable HAVE_NANOSLEEP for FreeBSD 3 and later. Patch
from John Marshall.
Enable HAVE_NANOSLEEP for OpenBSD 4.3 and later.
Use new directory "/system/volatile" for PidFile on
Solaris 11. Patch from Casper Dik of Oracle.
Fix compilation on Solaris 11 (and maybe some other
OSs) when using OpenSSL 1.0. Based on patch from
Jan Pechanec of Oracle.
Set SOCKADDR_LEN_T and SOCKOPT_LEN_T to socklen_t
for Solaris 11. Patch from Roger Faulkner of Oracle.
New Files:
cf/ostype/solaris11.m4
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8.14.4/8.14.4 2009/12/30
SECURITY: Handle bogus certificates containing NUL characters
in CNs by placing a string indicating a bad certificate
in the {cn_subject} or {cn_issuer} macro. Patch inspired
by Matthias Andree's changes for fetchmail.
During the generation of a queue identifier an integer overflow
could occur which might result in bogus characters
being used. Based on patch from John Vannoy of
Pepperdine University.
The value of headers, e.g., Precedence, Content-Type, et.al.,
was not processed correctly. Patch from Per Hedeland.
Between 8.11.7 and 8.12.0 the length limitation on a return
path was erroneously reduced from MAXNAME (256) to
MAXSHORTSTR (203). Patch from John Gardiner Myers
of Proofpoint; the problem was also noted by Steve
Hubert of University of Washington.
Prevent a crash when a hostname lookup returns a seemingly
valid result which contains a NULL pointer (this seems
to be happening on some Linux versions).
The process title was missing the current load average when
the MTA was delaying connections due to DelayLA.
Patch from Dick St.Peters of NetHeaven.
Do not reset the number of queue entries in shared memory if
only some of them are processed.
Fix overflow of an internal array when parsing some replies
from a milter. Problem found by Scott Rotondo
of Sun Microsystems.
If STARTTLS is turned off in the server (via M=S) then it
would not be initialized for use in the client either.
Patch from Kazuteru Okahashi of IIJ.
If a Diffie-Hellman cipher is selected for STARTTLS, the
handshake could fail with some TLS implementations
because the prime used by the server is not long enough.
Note: the initialization of the DSA/DH parameters for
the server can take a significant amount of time on slow
machines. This can be turned off by setting DHParameters
to none or a file (see doc/op/op.me). Patch from
Petr Lampa of the Brno University of Technology.
Fix handling of `b' modifier for DaemonPortOptions on little
endian machines for loopback address. Patch from
John Beck of Sun Microsystems.
Fix a potential memory leak in libsmdb/smdb1.c found by parfait.
Based on patch from Jonathan Gray of OpenBSD.
If a milter sets the reply code to "421" during the transfer
of the body, the SMTP server will terminate the SMTP session
with that error to match the behavior of the other callbacks.
Return EX_IOERR (instead of 0) if a mail submission fails due to
missing disk space in the mail queue. Based on patch
from Martin Poole of RedHat.
CONFIG: Using FEATURE(`ldap_routing')'s `nodomain' argument would
cause addresses not found in LDAP to be misparsed.
CONFIG: Using a CN restriction did not work for TLS_Clt as it
referred to a wrong macro. Patch from John Gardiner
Myers of Proofpoint.
CONFIG: The option relaytofulladdress of FEATURE(`access_db')
did not work if FEATURE(`relay_hosts_only') is used too.
Problem noted by Kristian Shaw.
CONFIG: The internal function lower() was broken and hence
strcasecmp() did not work either, which could cause
problems for some FEATURE()s if upper case arguments
were used. Patch from Vesa-Matti J Kari of the
University of Helsinki.
LIBMILTER: Fix internal check whether a milter application
is compiled against the same version of libmilter as
it is linked against (especially useful for dynamic
libraries).
LIBMILTER: Fix memory leak that occurred when smfi_setsymlist()
was used. Based on patch by Dan Lukes.
LIBMILTER: Document the effect of SMFIP_HDR_LEADSPC for filters
which add, insert, or replace headers. From Benjamin
Pineau.
LIBMILTER: Fix error messages which refer to "select()" to be
correct if SM_CONF_POLL is used. Based on patch from
John Nemeth.
LIBSM: Fix handling of LDAP search failures where the error is
carried in the search result itself, such as seen with
OpenLDAP proxy servers.
VACATION: Do not refer to a local variable outside its scope.
Based on patch from Mark Costlow of Southwest Cyberport.
Portability:
Enable HAVE_NANOSLEEP for SunOS 5.11. Patch from
John Beck of Sun Microsystems.
Drop NISPLUS from default SunOS 5.11 map definitions.
Patch from John Beck of Sun Microsystems.
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8.14.1/8.14.1 2007/04/03
Even though a milter rejects a recipient the MTA will still keep
it in its list of recipients and deliver to it if the
transaction is accepted. This is a regression introduced
in 8.14.0 due to the change for SMFIP_RCPT_REJ. Bug
found by Andy Fiddaman.
The new DaemonPortOptions which begin with a lower case character
could not be set in 8.14.0.
If a server shut down the connection in response to a STARTTLS
command, sendmail would log a misleading error message
due to an internal inconsistency. Problem found by
Werner Wiethege.
Document how some sendmail.cf options change the behavior of mailq.
Noted by Paul Menchini of the North Carolina School of
Science and Mathematics.
CONFIG: Add confSOFT_BOUNCE m4 option for setting SoftBounce.
CONFIG: 8.14.0's RELEASE_NOTES failed to mention the addition
of the confMAX_NOOP_COMMANDS and confSHARED_MEMORY_KEY_FILE
m4 options for setting MaxNOOPCommands and
SharedMemoryKeyFile.
CONFIG: Add confMILTER_MACROS_EOH and confMILTER_MACROS_DATA m4
options for setting Milter.macros.eoh and Milter.macros.data.
CONTRIB: Use flock() and fcntl() in qtool.pl if necessary.
Patch from Daniel Carroll of Mesa State College.
LIBMILTER: Make sure an unknown command does not affect the
currently available macros. Problem found by Andy Fiddaman.
LIBMILTER: The MTA did not offer SMFIF_SETSYMLIST during option
negotiation. Problem reported by Bryan Costales.
LIBMILTER: Fix several minor errors in the documentation.
Patches from Bryan Costales.
PORTABILITY FIXES:
AIX 5.{1,2}: libsm/util.c failed to compile due to
redefinition of several macros, e.g., SIG_ERR.
Patch from Jim Pirzyk with assistance by Bob
Booth, University of Illinois at Urbana-Champaign.
Add support for QNX.6. Patch from Sean Boudreau of QNX
Software Systems.
New Files:
devtools/M4/depend/QNX6.m4
devtools/OS/QNX.6.x
include/sm/os/sm_os_qnx.h
New Files added in 8.14.0, but not shown in the release notes entry:
libmilter/docs/smfi_chgfrom.html
libmilter/docs/smfi_version.html
8.14.0/8.14.0 2007/01/31
Header field values are now 8 bit clean. Notes:
- header field names are still restricted to 7 bit.
- RFC 2822 allows only 7 bit (US-ASCII) characters in
headers.
Preserve spaces after the colon in a header. Previously, any
number of spaces after the colon would be changed to
exactly one space.
In some cases of deeply nested aliases/forwarding, mail can
be silently lost. Moreover, the MaxAliasRecursion
limit may be reached too early, e.g., the counter
may be off by a factor of 4 in case of a sequence of
.forward files that refer to others. Patch from
Motonori Nakamura of Kyoto University.
Fix a regression in 8.13.8: if InputMailFilters is set then
"sendmail -bs" can trigger an assertion because the
hostname of the client is undefined. It is now set
to "localhost" for the xxfi_connect() callback.
Avoid referencing a freed variable during cleanup when terminating.
Problem reported and diagnosed by Joe Maimon.
New option HeloName to set the name for the HELO/EHLO command.
Patch from Nik Clayton.
New option SoftBounce to issue temporary errors (4xy) instead of
permanent errors (5xy). This can be useful for testing.
New suboptions for DaemonPortOptions to set them individually
per daemon socket:
DeliveryMode DeliveryMode
refuseLA RefuseLA
delayLA DelayLA
queueLA QueueLA
children MaxDaemonChildren
New option -K for LDAP maps to replace %1 through %9 in the
lookup key with the LDAP escaped contents of the
arguments specified in the map lookup. Loosely based
on patch from Wolfgang Hottgenroth.
Log the time after which a greet_pause delay triggered. Patch
from Nik Clayton.
If a client is rejected via TCP wrapper or some other check
performed by validate_connection() (in conf.c) then do
not also invoke greet_pause. Problem noted by Jim Pirzyk
of the University of Illinois at Urbana-Champaign.
If a client terminates the SMTP connection during a pause
introduced by greet_pause, then a misleading message
was logged previously. Problem noted by Vernon Schryver
et.al., patch from Matej Vela.
New command "mstat" for control socket to provide "machine
readable" status.
New named config file rule check_eom which is called at the end
of a message, its parameter is the size of the message.
If the macro {addr_type} indicates that the current address
is a header address it also distinguishes between
recipient and sender addresses (as it is done for
envelope addresses).
When a macro is set in check_relay, then its value is accessible
by all transactions in the same SMTP session.
Increase size of key for ldap lookups to 1024 (MAXKEY).
New option MaxNOOPCommands to override default of 20 for the
number of "useless" commands before the SMTP server will
slow down responding.
New option SharedMemoryKeyFile: if shared memory support is
enabled, the MTA can be asked to select a shared memory
key itself by setting SharedMemoryKey to -1 and specifying
a file where to store the selected key.
Try to deal with open HTTP proxies that are used to send spam
by recognizing some commands from them. If the first command
from the client is GET, POST, CONNECT, or USER, then the
connection is terminated immediately.
New PrivacyOptions noactualrecipient to avoid putting
X-Actual-Recipient lines in DSNs revealing the actual
account that addresses map to. Patch from Dan Harkless.
New options B, z, and Z for DNS maps:
-B: specify a domain that is always appended to queries.
-z: specify the delimiter at which to cut off the result of
a query if it is too long.
-Z: specify the maximum number of entries to be concatenated
to form the result of a lookup.
New target "check" in the Makefile of libsm: instead of running tests
implicitly while building libsm, they must be explicitly
started by using "make check".
Fixed some inconsistent checks for NULL pointers that have been
reported by the SATURN tool which has been developed by
Isil Dillig and Thomas Dillig of Stanford University.
Fix a potential race condition caused by a signal handler for
terminated child processes. Problem noted by David F. Skoll.
When a milter deleted a recipient, that recipient could cause a
queue group selection. This has been disabled as it was not
intended.
New operator 'r' for the arith map to return a random number.
Patch from Motonori Nakamura of Kyoto University.
New compile time option MILTER_NO_NAGLE to turn off the Nagle
algorithm for communication with libmilter ("cork" on Linux),
which may improve the communication performance on some
operating systems. Patch from John Gardiner Myers of
Proofpoint.
If sendmail received input that contained a CR without subsequent LF
(thus violating RFC 2821 (2.3.7)), it could previously
generate an additional blank line in the output as the last
line.
Restarting persistent queue runners by sending a HUP signal to
the "queue control process" (QCP) works now.
Increase the length of an input line to 12288 to deal with
really long lines during SMTP AUTH negotiations.
Problem noted by Werner Wiethege.
If ARPANET mode (-ba) was selected STARTTLS would fail (due to
a missing initialization call for that case). Problem
noted by Neil Rickert of Northern Illinois University.
If sendmail is linked against a library that initializes Cyrus-SASL
before sendmail did it (such as libnss-ldap), then SMTP AUTH
could fail for the sendmail client. A patch by Moritz Both
works around the API design flaw of Cyrus-SASLv2.
CONFIG: Make it possible to unset the StatusFile option by
undefining STATUS_FILE. By not setting StatusFile,
the MTA will not attempt to open a statistics file on
each delivery.
CONFIG: New FEATURE(`require_rdns') to reject messages from SMTP
clients whose IP address does not have proper reverse DNS.
Contributed by Neil Rickert of Northern Illinois University
and John Beck of Sun Microsystems.
CONFIG: New FEATURE(`block_bad_helo') to reject messages from SMTP
clients which provide a HELO/EHLO argument which is either
unqualified, or is one of our own names (i.e., the server
name instead of the client name). Contributed by Neil
Rickert of Northern Illinois University and John Beck of
Sun Microsystems.
CONFIG: New FEATURE(`badmx') to reject envelope sender addresses
(MAIL) whose domain part resolves to a "bad" MX record.
Based on contribution from William Dell Wisner.
CONFIG: New macros SMTP_MAILER_LL and RELAY_MAILER_LL to override
the maximum line length of the smtp mailers.
CONFIG: New option `relaytofulladdress' for FEATURE(`access_db')
to allow entries in the access map to be of the form
To:user@example.com RELAY
CONFIG: New subsuboptions eoh and data to specify the list of
macros a milter should receive at those stages in the
SMTP dialogue.
CONFIG: New option confHELO_NAME for HeloName to set the name
for the HELO/EHLO command.
CONFIG: dnsbl and enhdnsbl can now also discard or quarantine
messages by using those values as second argument.
Patches from Nelson Fung.
CONTRIB: cidrexpand uses a hash symbol as comment character and
ignores everything after it unless it is in quotes or
preceeded by a backslash.
DEVTOOLS: New macro confMKDIR: if set to a program that creates
directories, then it used for "make install" to create
the required installation directories.
DEVTOOLS: New macro confCCLINK to specify the linker to use for
executables (defaults to confCC).
LIBMILTER: A new version of the milter API has been created that
has several changes which are listed below and documented
in the webpages reachable via libmilter/docs/index.html.
LIBMILTER: The meaning of the version macro SMFI_VERSION has been
changed. It now refers only to the version of libmilter,
not to the protocol version (which is used only internally,
it is not user/milter-programmer visible). Additionally,
a version function smfi_version() has been introduced such
that a milter program can check the libmilter version also
at runtime which is useful if a shared library is used.
LIBMILTER: A new callback xxfi_negotiate() can be used to
dynamically (i.e., at runtime) determine the available
protocol actions and features of the MTA and also to
specify which of these a milter wants to use. This allows
for more flexibility than hardcoding these flags in the
xxfi_flags field of the smfiDesc structure.
LIBMILTER: A new callback xxfi_data() is available so milters
can act on the DATA command.
LIBMILTER: A new callback xxfi_unknown() is available so milters
can receive also unknown SMTP commands.
LIBMILTER: A new return code SMFIS_NOREPLY has been added which
can be used by the xxfi_header() callback provided the
milter requested the SMFIP_NOHREPL protocol action.
LIBMILTER: The new return code SMFIS_SKIP can be used in the
xxfi_body() callback to skip over further body chunks
and directly advance to the xxfi_eom() callback. This
is useful if a milter can make a decision based on the
body chunks it already received without reading the entire
rest of the body and the milter wants to invoke functions
that are only available from the xxfi_eom() callback.
LIBMILTER: A new function smfi_addrcpt_par() can be used to add
new recipients including ESMTP parameters.
LIBMILTER: A new function smfi_chgfrom() can be used to change the
envelope sender including ESMTP parameters.
LIBMILTER: A milter can now request to be informed about rejected
recipients (RCPT) too. This requires to set the protocol
flag SMFIP_RCPT_REJ during option negotiation. Whether
a RCPT has been rejected can be checked by comparing the
value of the macro {rcpt_mailer} with "error".
LIBMILTER: A milter can now override the list of macros that it
wants to receive from the MTA for each protocol step
by invoking the function smfi_setsymlist() during option
negotiation.
LIBMILTER: A milter can receive header field values with all
leading spaces by requesting the SMFIP_HDR_LEADSPC
protocol action. Also, if the flag is set then the MTA
does not add a leading space to headers that are added,
inserted, or replaced.
LIBMILTER: If a milter sets the reply code to "421" for the HELO
callback, the SMTP server will terminate the SMTP session
with that error to match the behavior of all other callbacks.
New Files:
cf/feature/badmx.m4
cf/feature/block_bad_helo.m4
cf/feature/require_rdns.m4
devtools/M4/UNIX/check.m4
include/sm/misc.h
include/sm/sendmail.h
include/sm/tailq.h
libmilter/docs/smfi_addrcpt_par.html
libmilter/docs/smfi_setsymlist.html
libmilter/docs/xxfi_data.html
libmilter/docs/xxfi_negotiate.html
libmilter/docs/xxfi_unknown.html
libmilter/example.c
libmilter/monitor.c
libmilter/worker.c
libsm/memstat.c
libsm/t-memstat.c
libsm/t-qic.c
libsm/util.c
sendmail/daemon.h
sendmail/map.h
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So, compile socketmap support in unconditionally (as the Perl scripts
are actually only examples of socketmap functionality; any language can be
used in reality). Remove socketmap related OPTIONs completely.
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Use a better boundary check, which doesn't depend on PATH_MAX >> NAME_MAX.
Both changes are from DragonFly and have been reported upstream.
Install only man pages, not the catpages. The installation was
inconsistent before.
Bump revision. OK from tv@.
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Make pkglint happy
Pass MAINTAINERship to tv@
Bump PKGREVISION
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From the CHANGELOG:
> Store the filesystem identifier of the df/ subdirectory (if it
> exists) in an internal structure instead of the base
> directory. This structure is used decide whether there
> is enough free disk space when selecting a queue, hence
> without this change queue selection could fail if a df/
> subdirectory exists and is on a different filesystem
> than the base directory.
> Use the queue index of the df file (instead of the qf file) for
> checking whether a link(2) operation can be used to split
> an envelope across queue groups. Problem found by
> Werner Wiethege.
> If the list of items in the queue is larger than the maximum
> number of items to process, sort the queue first and
> then cut the list off instead of the other way around.
> Patch from Matej Vela of Rudjer Boskovic Institute.
> Fix helpfile to show full entry for ETRN. Problem noted by
> Penelope Fudd, patch from Neil Rickert of Northern Illinois
> University.
> FallbackSmartHost should also be tried on temporary errors.
> From John Beck of Sun Microsystems.
> When a server responds with 421 to the STARTTLS command then treat
> it as a temporary error, not as protocol error. Problem
> noted by Andrey J. Melnikoff.
> Properly define two functions in libsm as static because their
> prototype used static too. Patch from Peter Klein.
> Fix syntax errors in helpfile for MAIL and RCPT commands.
> LIBMILTER: When smfi_replacebody() is called with bodylen equals
> zero then do not silently ignore that call. Patch from
> Gurusamy Sarathy of Active State.
> LIBMILTER: Recognize "421" also in a multi-line reply to terminate
> the SMTP session with that error. Fix from Brian Kantor.
> Portability: New option HASSNPRINTF which can be set if the OS
> has a properly working snprintf(3) to get rid
> of the last two (safe) sprintf(3) calls in the
> source code.
> Add support for AIX 5.3.
> Add support for SunOS 5.11 (aka Solaris 11).
> Add support for Darwin 8.x. Patch from Lyndon Nerenberg.
> OpenBSD 3.7 has removed support for NETISO.
> CONFIG: Add OSTYPE(freebsd6) for FreeBSD 6.X.
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- Fix smrsh man page patch
- Tidy up MESSAGE
- Replace 8.13.1 errata with 8.13.3 errata
- Remove rename of file outside ${PREFIX} on db2 installs
> 8.13.3/8.13.3 2005/01/11
> Enhance handling of I/O errors, especially EOF, when STARTTLS
> is active.
> Make sure a connection is not reused after it has been closed
> due to a 421 error. Problem found by Allan E Johannesen
> of Worcester Polytechnic Institute.
> Avoid triggering an assertion when sendmail is interrupted while
> closing a connection. Problem found by Allan E Johannesen
> of Worcester Polytechnic Institute.
> Regression: a change in 8.13.2 caused sendmail not to try the
> next MX host (or FallbackMXhost if configured) when, at
> connection open, the current server returns a 4xy or 5xy
> SMTP reply code. Problem noted by Mark Tranchant.
>
> 8.13.2/8.13.2 2004/12/15
> Do not split the first header even if it exceeds the internal
> buffer size. Previously a part of such a header would
> end up in the body of the message. Problem noted by
> Simple Nomad of BindView.
> Do not complain about "cataddr: string too long" when checking
> headers that do not contain RFC 2822 addresses.
> Problem noted by Rich Graves of Brandeis University.
> If a server returns a 421 reply to the RSET command between
> message deliveries, do not attempt to deliver any more
> messages on that connection. This prevents bogus "Bad
> file number" recipient status. Problem noted by
> Allan E Johannesen of Worcester Polytechnic Institute.
> Allow trailing white space in EHLO command as recommended by RFC
> 2821. Problem noted by Ralph Santagato of SBC Services.
> Deal with clients which use AUTH but negotiate a smaller buffer size
> for data exchanges than the value used by sendmail, e.g.,
> Cyrus IMAP lmtp server. Based on patch by Jamie Clark.
> When passing ESMTP arguments for RCPT to a milter, do not cut
> them off at a comma. Problem noted by Krzysztof Oledzki.
> Add more logging to milter change header functions to
> complement existing logging. Based on patch from
> Gurusamy Sarathy of Active State.
> Include <lber.h> in include/sm/config.h when LDAPMAP is defined.
> Patch from Edgar Hoch of the University of Stuttgart.
> Fix DNS lookup if IPv6 is enabled when converting an IP address
> to a hostname for use with SASL. Problem noted by Ken Jones;
> patch from Hajimu UMEMOTO.
> CONFIG: For consistency enable MODIFY_MAILER_FLAGS for the prog
> mailer. Patch from John Beck of Sun Microsystems.
> LIBMILTER: It was possible that xxfi_abort() was called after
> xxfi_eom() for a message if some timeouts were triggered.
> Patch from Alexey Kravchuk.
> LIBMILTER: Slightly rearrange mutex use in listener.c to allow
> different threads to call smfi_opensocket() and smfi_main().
> Patch from Jordan Ritter of Cloudmark.
> MAIL.LOCAL: Properly terminate MBDB before exiting. Problem
> noted by Nelson Fung.
> MAIL.LOCAL: make strip-mail.local used a wrong path to access
> mail.local. Problem noted by William Park.
> VACATION: Properly terminate MBDB before exiting. Problem noted
> by Nelson Fung.
> Portability:
> Add support for DragonFly BSD.
> New Files:
> cf/ostype/dragonfly.m4
> devtools/OS/DragonFly
> include/sm/os/sm_os_dragonfly.h
> Deleted Files:
> libsm/vsscanf.c
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pkgsrc changes:
- move to use options.mk framework
- solaris support tidy-up
- fix linux man page extension handling bug
- allow for a user defined smrsh directory
- update MASTER_SITES
- optional SOCKETMAP support and sample script installation
- ok'ed snj@/wiz@
Summary of some of the major changes include:
- New map "socket" to query maps via TCP/IP sockets.
- Connection rate control as well as control over the number of incoming open
connections.
- Several LDAP enhancements such as LDAP recursion and LDAP URI support.
- Message quarantining.
- AUTH EXTERNAL will only be enabled if STARTTLS was successful and the client
has been authenticated, i.e., {verify} is OK.
- Basic support for certificate revocation lists.
- New queue timeouts for DSN messages.
- Experimental support for MTAMark.
For a full list of changes see:
- http://www.sendmail.org/8.13.0.html
- http://www.sendmail.org/8.13.1.html
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if no milters configured and setting is consistent with how the in-tree
version is built.
Bump PKGREVISION.
Closes PR pkg/21010 from Todd Vierling.
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Bump PKGREVISION to 2 (and fix PKGNAME).
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Also SASL 2 support added and PLIST tuning.
8.12.8/8.12.8 2003/02/11
SECURITY: Fix a remote buffer overflow in header parsing by
dropping sender and recipient header comments if the
comments are too long. Problem noted by Mark Dowd
of ISS X-Force.
Fix a potential non-exploitable buffer overflow in parsing the
.cf queue settings and potential buffer underflow in
parsing ident responses. Problem noted by Yichen Xie of
Stanford University Compilation Group.
Fix ETRN #queuegroup command: actually start a queue run for
the selected queue group. Problem noted by Jos Vos.
If MaxMimeHeaderLength is set and a malformed MIME header is fixed,
log the fixup as "Fixed MIME header" instead of "Truncated
MIME header". Problem noted by Ian J Hart.
CONFIG: Fix regression bug in proto.m4 that caused a bogus
error message: "FEATURE() should be before MAILER()".
MAIL.LOCAL: Be more explicit in some error cases, i.e., whether
a mailbox has more than one link or whether it is not
a regular file. Patch from John Beck of Sun Microsystems.
8.12.7/8.12.7 2002/12/29
Properly clean up macros to avoid persistence of session data
across various connections. This could cause session
oriented restrictions, e.g., STARTTLS requirements,
to erroneously allow a connection. Problem noted
by Tim Maletic of Priority Health.
Do not lookup MX records when sorting the MSP queue. The MSP
only needs to relay all mail to the MTA. Problem found
by Gary Mills of the University of Manitoba.
Do not restrict the length of connection information to 100
characters in some logging statements. Problem noted by
Erik Parker.
When converting an enhanced status code to an exit status, use
EX_CONFIG if the first digit is not 2, 4, or 5 or if *.1.5
is used.
Reset macro $x when receiving another MAIL command. Problem
noted by Vlado Potisk of Wigro s.r.o.
Don't bother setting the permissions on the build area statistics
file, the proper permissions will be put on the file at
install time. This fixes installation over NFS for some
users. Problem noted by Martin J. Dellwo of 3-Dimensional
Pharmaceuticals, Inc.
Fix problem of decoding SASLv2 encrypted data. Problem noted by
Alex Deiter of Mobile TeleSystems, Komi Republic.
Log milter socket open errors at MilterLogLevel 1 or higher instead
of 11 or higher.
Print early system errors to the console instead of silently
exiting. Problem noted by James Jong of IBM.
Do not process a queue group if Runners is set to 0, regardless
of whether F=f or sendmail is run in verbose mode (-v).
The use of -qGname will still force queue group "name"
to be run even if Runners=0.
Change the level for logging the fact that a daemon is refusing
connections due to high load from LOG_INFO to LOG_NOTICE.
Patch from John Beck of Sun Microsystems.
Use location information for submit.cf from NetInfo
(/locations/sendmail/submit.cf) if available.
Re-enable ForkEachJob which was lost in 8.12.0. Problem noted by
Neil Rickert of Northern Illinois University.
Make behavior of /canon in debug mode consistent with usage in
rulesets. Patch from Shigeno Kazutaka of IIJ.
Fix a potential memory leak in envelope splitting. Problem noted
by John Majikes of IBM.
Do not try to share an mailbox database LDAP connection across
different processes. Problem noted by Randy Kunkee.
Fix logging for undelivered recipients when the SMTP connection
times out during message collection. Problem noted by Neil
Rickert of Northern Illinois University.
Avoid problems with QueueSortOrder=random due to problems with
qsort() on Solaris (and maybe some other operating systems).
Problem noted by Stephan Schulz of Gruner+Jahr..
If -f "" is specified, set the sender address to "<>". Problem
noted by Matthias Andree.
Fix formatting problem of footnotes for plain text output on some
versions of tmac. Patch from Per Hedeland.
Portability:
Berkeley DB 4.1 support (requires at least 4.1.25).
Some getopt(3) implementations in GNU/Linux are broken
and pass a NULL pointer to an option which requires
an argument, hence the builtin version of
sendmail is used instead. This can be overridden
by using -DSM_CONF_GETOPT=0. Problem noted by
Vlado Potisk of Wigro s.r.o.
Support for nph-1.2.0 from Mark D. Roth of the University
of Illinois at Urbana-Champaign.
Support for FreeBSD 5.0's MAC labeling from Robert Watson
of the TrustedBSD Project.
Support for reading the number of processors on an IRIX
system from Michel Bourget of SGI.
Support for UnixWare 7.1 based on input from Larry Rosenman.
Interix support from Nedelcho Stanev of Atlantic Sky
Corporation.
Update Mac OS X/Darwin portability from Wilfredo Sanchez.
CONFIG: Enforce tls_client restrictions even if delay_checks
is used. Problem noted by Malte Starostik.
CONFIG: Deal with an empty hostname created via bogus
DNS entries to get around access restrictions.
Problem noted by Kai Schlichting.
CONFIG: Use FEATURE(`msp', `[127.0.0.1]') in submit.mc by default
to avoid problems with hostname resolution for localhost
which on many systems does not resolve to 127.0.0.1 (or
::1 for IPv6). If you do not use IPv4 but only IPv6 then
you need to change submit.mc accordingly, see the comment
in the file itself.
CONFIG: Set confDONT_INIT_GROUPS to True in submit.mc to avoid
error messages from initgroups(3) on AIX 4.3 when sending
mail to non-existing users. Problem noted by Mark Roth of
the University of Illinois at Urbana-Champaign.
CONFIG: Allow local_procmail to override local_lmtp settings.
CONFIG: Always allow connections from 127.0.0.1 or IPv6:::1 to
relay.
CONTRIB: cidrexpand: Deal with the prefix tags that may be included
in access_db.
CONTRIB: New version of doublebounce.pl contributed by Leo Bicknell.
LIBMILTER: On Solaris libmilter may get into an endless loop if
an error in the communication from/to the MTA occurs.
Patch from Gurusamy Sarathy of Active State.
LIBMILTER: Ignore EINTR from sigwait(3) which may happen on Tru64.
Patch from from Jose Marcio Martins da Cruz of Ecole
Nationale Superieure des Mines de Paris.
MAIL.LOCAL: Fix a truncation race condition if the close() on
the mailbox fails. Problem noted by Tomoko Fukuzawa of
Sun Microsystems.
MAIL.LOCAL: Fix a potential file descriptor leak if mkstemp(3)
fails. Patch from John Beck of Sun Microsystems.
SMRSH: SECURITY: Only allow regular files or symbolic links to be
used for a command. Problem noted by David Endler of
iDEFENSE, Inc.
New Files:
devtools/OS/Interix
include/sm/bdb.h
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Large number of bug fixes and feature enhancements, especially Milter
(Mail Filter) support and by default installation of sendmail does not use
set-user-ID root anymore.
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rmdir -> ${RMDIR}
rm -> ${RM} (${RM} added to PLIST_SUBST)
chmod -> ${CHMOD}
chown -> ${CHOWN}
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