Postfix
- Using Postfix to block mail based on From/sender and To/recipient
- No more certificate fingerprints – only sasl auth instead
- Postfix suddenly starts rejecting email it had been accepting
- /etc/rc.subr: 1391: Syntax error: “fi”: unexpected
- reject_unknown_recipient_domain gives Recipient address rejected: Domain not found
- Postfix SMTP server: errors – TLS not available due to local problem
- Postfix client certificate verification
- Things to do
- postfix/postdrop: warning: uid=0: File too large