Sendmail

Docs

• Homepage
• Sendmail FAQ
• Some sendmail tips
• brandonhutchinson.com

• http://www.sendmail.org/m4/anti_spam.html#access_db IS WRONG! IGNORE
• Access Control Database
• http://www.sendmail.org/doc/sendmail-current/cf/README
• Virtual hosting on sendmail

Genericstable

• http://www.madboa.com/geek/sendmail-genericstable/

Sendmail and authentication

• http://www.sendmail.org/~ca/email/auth.html
• Setting up SMTP AUTH with sendmail and Cyrus-SASL

Anti-Spam

• Milter
• Milter-greylist
• milter-regex

Useful rules

O PrivacyOptions=authwarnings,novrfy,noexpn,restrictqrun,nobodyreturn

FAQ

Remove a mail from outgoing queue

qtool.pl (http://www.brandonhutchinson.com/deleting_mail_queue.html)

Domain of sender address X@Y does not resolve

try on the server complaining about that:

dig Y.Z MX