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

550 Sending error on just one domain name.
2 comments
Temporarily deferred due to user complaints
3 comments
Blocking Spam with Filters Question
3 comments
Weird Email Sending & Recipient Issues / Bouncebacks with my VPS?
3 comments
Email receiving problem
4 comments
Restrict sending emails with Attachments
2 comments
Can send emails but can't recieve
2 comments
SPF relayed through an anti-spam service question
2 comments
Spam Assassin doesn't mark emails
4 comments
My webmail not loading
1 comment
I cannot receive emails externally WebMail
4 comments
Outgoing email archiving
1 comment
cPanel email filters simply not working
6 comments
SMTP Error.... 550 Administrative prohibition
1 comment
Preventing Access to webmail
1 comment
smtp; 553 sorry, invalid HELO hostname (#5.7.1)
3 comments
warn: config: failed to parse line, skipping pyzor_options
3 comments
Horde: How to mark as spam a single message from the inbox?
2 comments
cron job error
1 comment
contact sync in webmail
1 comment
rebuild spf records
3 comments
Receiving but unable to send email to defined receiver
7 comments
Allow an external domain to use cpanel's smtp?
8 comments
Mystery Missing Messages
11 comments
Mail server cluster
1 comment
Add signatures to all email addresses?
6 comments
550 Sending error on just one domain name.
4 comments
Local mail + Office 365 Exchange account
1 comment
TLS problem with OSx Mail
1 comment