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

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
DKIM in DNS zone
0 comments
Backscatter from using "suspend outgoing email" in the API
2 comments
Discovered another RBL
5 comments
Bulk reset MX records
12 comments
Locate all specific email accounts
3 comments
Rewrite From: header to match actual sender
0 comments
Custom RBL messages are not being rejected
0 comments
Updating Apache SpamAssassin reject spam score threshold issue
0 comments
SpamAssassin constantly crashing, reinstall script fails
16 comments
Sender Verification Callouts - Whitelist?
2 comments
Default HTML View In Horde Needed
3 comments
Limit the number of same domain recipient
3 comments
Setup cron to delete Exim Mail Queue
8 comments
Problem Setting up Email Account
5 comments
cPanel Autoresponders Issue
1 comment
Spam Filter Auto Delete Setting
4 comments
550 Please turn on SMTP Authentication
3 comments
CalDAV Invitations & Events in Thunderbird/Lightning
6 comments