Enable fail2ban to send out emails without installing too much extra software (like postfix)
116900
How do I add outbound only mail service for local tools to a 'minimal' debian system?
37719
Command line e-mailing
11147
How to send mail from the command line?
124592
How to execute sp_send_dbmail while limiting permissions
152317
Block local (unix) users from sending mail
75197
I can't send email via my own Postfix anymore due to enforced restrictions that I made
135988
Postfix Connection Timed out
129769
SMTP 25 closed even though I allow everything in firewall (Debian server running sendmail)
15998
Email authentication without modifying DNS records
49824
Postfix - Mail system is down
30857
How to build a high availability Postfix system?
96682
Why use Dovecot AND Postfix/Sendmail?
35878
postfix sending mails to unknown addresses
150678
Sendmail (by postfix) is not working on Ubuntu
77635
Add new alias to Gmail without SMTP (forwarding-only address)
7864
How do I make Subversion (SVN) send email on checkins?
150051
How do I send HTML email using linux 'mail' command?