Everything related to mail, including email accounts, combating spam using Apache SpamAssassin®, Dovecot, Courier, Exim, RBLs and more

Server not using FQDN to send mail, being rejected
6 comments
Best Spam settings
4 comments
Turn off SMTP Authentication?
4 comments
Error 550 - verification error
2 comments
SPAM/Mailman mystery
10 comments
Spam and SMTP Relay Usage limit
6 comments
SMTP error from remote mail server after end of data
0 comments
Change server response to non existent email
5 comments
Custom exim system filter not working
9 comments
Your message is not signed with DKIM
0 comments
DKIM signature is sometimes invalid
2 comments
Mail delivery error
4 comments
dovecot_plain authenticator failed
6 comments
EXIM log entry question
0 comments
Using SMTP with external email client problem
7 comments
Quota checks for mailbox disk quota and usage question
6 comments
let non cPanel server to send email via cPanel
2 comments
Mailman hourly email delivery configuration
0 comments
Email filter not working
6 comments
Question about IMAP Bandwidth
4 comments
Failed emails to forwarders
7 comments
Prove that an email was sent and received by destination server?
13 comments
Creating an email account automatically
0 comments
Rejecting mail with invalid From: header
4 comments
Can't send mails with exim on port 26
0 comments
The email message could not be delivered because of an unknown issue
10 comments
Cannot login to IMAP
17 comments
Problem receiving email from gmail and yahoo
3 comments
CSF blocks email every few weeks and needs a restart
7 comments
550 Relay Error after DNS restore
4 comments