Sendmail

What, you don't know everything there is to know about sendmail already? ;^)

Get it at http://www.sendmail.org

Do NOT get it from ftp://ftp.sendmail.org until further notice, because the DNS for that box has been hijacked and you will get a trojanned version of the tarball!!

Even god will not help you if you do not verify the [gpg] signature like they tell you to at sendmail.org.

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Sendmail Configuration Notes

• [Sendmail Configuration] - the Official Sendmail Configuration Guide for the latest release of Sendmail
• SLUG Does Mail - incantations for running your own myhost.slug.org mailhost requiring NO smart relay host!

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Sendmail debugging one-liner:

 date | /usr/sbin/sendmail -v -o LogLevel=14 `whoami`