Path: senator-bedfellow.mit.edu!bloom-beacon.mit.edu!news.kodak.com!news-nysernet-16.sprintlink.net!news-in-east1.sprintlink.net!news.sprintlink.net!news-feed1.tiac.net!cam-news-hub1.bbnplanet.com!su-news-feed4.bbnplanet.com!news.gtei.net!newsfeed1.uswest.net!newsfeed3.uswest.net!namche.Sun.COM!sunnews1.Eng.Sun.COM!engnews2.Eng.Sun.COM!opal!jbeck From: John Beck Newsgroups: comp.mail.sendmail,comp.mail.misc,comp.answers,news.answers Subject: sendmail FAQ Supersedes: Followup-To: comp.mail.sendmail Date: 25 Dec 1998 20:00:23 GMT Organization: Sendmail Consortium Lines: 159 Approved: news-answers-request@MIT.EDU Distribution: world Expires: Fri, 15 Jan 1999 20:00:02 GMT Message-ID: Reply-To: sendmail+faq@sendmail.org (Sendmail FAQ) NNTP-Posting-Host: opal.eng.sun.com Summary: This posting contains a list of Frequently Asked Questions about the program "sendmail", distributed with many versions of Unix. The answers are at the given URLs. They should be read by anyone who wishes to post to the Usenet newsgroup comp.mail.sendmail. Keywords: sendmail, mail, SMTP, FAQ Originator: jbeck@opal Xref: senator-bedfellow.mit.edu comp.mail.sendmail:67640 comp.mail.misc:47448 comp.answers:34384 news.answers:147451 Posted-By: auto-faq 3.3 (Perl 5.006) Archive-name: mail/sendmail/faq Posting-Frequency: posted on the 10th and 25th of each month Last-modified: December 22, 1998 URL: http://www.sendmail.org/faq/ Maintainer: Sendmail FAQ Sendmail Frequently Asked Questions (FAQ) Last updated December 22, 1998 Changes since the last post on 10 Dec 1998 20:00:28 GMT * Updated 4.7 ----------------------------------------------------------------------- * Questions about the FAQ: * General questions: * Bug reports: * Questions/comments about the web site ----------------------------------------------------------------------- If you post a message to comp.mail.sendmail *and* send it to one of the above addresses, please clearly indicate so at the top of your message. ----------------------------------------------------------------------- Table of Contents * 1. COPYRIGHT NOTICE / REDISTRIBUTION REQUIREMENTS http://www.sendmail.org/faq/section1.html * 2. INTRODUCTION / MISCELLANEOUS http://www.sendmail.org/faq/section2.html + 2.1 What is this newsgroup? + 2.2 What is the scope of this FAQ? + 2.3 Where can I find the latest version of this FAQ? + 2.4 How do I access comp.mail.sendmail by email? + 2.5 Where can I ask email-related DNS questions? + 2.6 How can I subscribe to these newsgroups? + 2.7 Which version of sendmail should I run? + 2.8 What is the latest release of sendmail? + 2.9 Where can I find it? + 2.10 What are the differences between Version 8 and other versions? + 2.11 What's the best platform for running sendmail? + 2.12 What is BIND and where can I get the latest version? + 2.13 What is smrsh and where can I get it? + 2.14 What is smap and where can I get it? + 2.15 What is TCP-Wrappers and where can I get it? + 2.16 Why won't db 1.85 build on my machine? + 2.17 What is makemap and where can I get it? * 3. VERSION 8 SPECIFIC ISSUES http://www.sendmail.org/faq/section3.html + 3.1 How do I make all my addresses appear to be from a single host? + 3.2 How do I rewrite my "From:" lines to read ``First_Last@My.Domain'' or ``Different_Name@My.Domain''? + 3.3 Why are you so hostile to using full names for email addresses? + 3.4 So what was the user database feature intended for? + 3.5 Where do I find this user database (UserDB) code? + 3.6 How do I get the user database to work with Pine or with FEATURE(always_add_domain)? + 3.7 How do I manage several (virtual) domains? + 3.8 There are four UUCP mailers listed in the configuration files. Which one should I use? + 3.9 How do I fix "undefined symbol inet_aton" and "undefined symbol _strerror" messages? + 3.10 How do I solve "collect: I/O error on connection" or "reply: read error from host.name" errors? + 3.11 Why can't my users forward their mail to a program? + 3.12 Why do connections to the SMTP port take such a long time? + 3.13 Why do I get "unknown mailer error 5 -- mail: options MUST PRECEDE recipients" errors? + 3.14 Why does version 8 sendmail panic my SunOS box? + 3.15 Why does the Unix From line get mysteriously munged when I send to an alias? + 3.16 Why doesn't MASQUERADE_AS (or the user database) work for envelope addresses as well as header addresses? + 3.17 How do I run version 8 sendmail and support the MAIL11V3 protocol? + 3.18 Why do messages disappear from my queue unsent? + 3.19 When is sendmail going to support RFC 1522 MIME header encoding? + 3.20 Why can't I get mail to some places, but instead always get the error "reply: read error from name.of.remote.host"? + 3.21 Why doesn't "FEATURE(xxx)" work? + 3.22 How do I configure sendmail not to use DNS? + 3.23 How do I get all my queued mail delivered to my Unix box from my ISP? + 3.24 Why do I get the error message unable to write /etc/mail/sendmail.pid? + 3.25 Why can't I compile sendmail with Berkeley DB 2.X? + 3.26 What operating systems has Berkeley sendmail been ported to? + 3.27 How do I prevent "Relaying Denied" errors for my clients? + 3.28 Why isn't virtual hosting working, even after I added a "Kvirtuser" line to sendmail.cf ? + 3.29 How can I add a header specifying the actual recipient when having multiple users in a virtual domain go to a single mailbox? + 3.30 What do I do when Build fails because groff was not found? + 3.31 What does "class hash not available" mean? * 4. GENERAL SENDMAIL ISSUES http://www.sendmail.org/faq/section4.html + 4.1 Should I use a wildcard MX for my domain? + 4.2 How can I set up an auto-responder? + 4.3 How can I get sendmail to deliver local mail to $HOME/.mail instead of into /usr/spool/mail (or /usr/mail)? + 4.4 Why does it deliver the mail interactively when I'm trying to get it to go into queue only mode? + 4.5 How can I solve "MX list for hostname points back to hostname" and "config error: mail loops back to myself" messages? + 4.6 Why does my sendmail process sometimes hang when connecting over a SLIP/PPP link? + 4.7 How can I summarize the statistics generated by sendmail in the syslog? + 4.8 How can I check my sendmail.cf to ensure that it's re-writing addresses correctly? + 4.9 What is procmail, and where can I get it? + 4.10 How can I solve "cannot alias non-local names" errors? + 4.11 Is sendmail Year 2000 compliant? + 4.12 How can I batch remote mail to be sent using my ISP while delivering local mail immediately? + 4.13 What does "unknown mailer error 1" mean? * 5. VENDOR/OS SPECIFIC SENDMAIL ISSUES http://www.sendmail.org/faq/section5.html + 5.1 Sun Microsystems SunOS/Solaris 1.x/2.x o 5.1.1 How can I solve "line 273: replacement $3 out of bounds" errors? o 5.1.2 How can I solve "line 445: bad ruleset 96 (50 max)" errors? o 5.1.3 Why does version 8 sendmail (< 8.7.5) sometimes hang under Solaris 2.5? o 5.1.4 Why can't I use SunOS/Solaris to get email to certain large sites? o 5.1.5 Why do I have trouble compiling on Solaris? o 5.1.6 How does 8.X compare to 8.X+Sun? + 5.2 IBM AIX o 5.2.1 The system resource controller always reports sendmail as "inoperative". What's wrong? o 5.2.2 Why can't I use AIX to get email to some sites? o 5.2.3 Why can't I get sendmail 8.7.1 to use MX records with AIX 3.2.5? * 6. ADDITIONAL INFORMATION SOURCES (RFC 1807 bibliography format) http://www.sendmail.org/faq/section6.html + 6.1 Reference material devoted exclusively to sendmail + 6.2 Reference material with chapters or sections on sendmail + 6.3 Reference material on subjects related to sendmail + 6.4 World-wide web index pages on sendmail + 6.5 World-wide web index pages Internet email in general + 6.6 Online tutorials for sendmail + 6.7 Online archives of mailing lists and Usenet newsgroups, relating to Internet email * 7. THANKS! http://www.sendmail.org/faq/section7.html