How-Tos
- How To setup Spam Filter to whitelist email addresses or domains that are relayed through the server
- How to edit the backupmxhosts file.
- How to block / filter email messages from a specific domain for an entire cPanel account
- How to enable SMTP Restrictions in WHM to prevent spam from being sent from your server
- How to configure an SMTP connection for PHP and other scripts and websites
- How to use Exim filters to limit a domain so that it cannot send to, or receive from any external domains - Internal Only Mail
- Enable RoundCube Spell Checker functionality
- How to reduce the amount of incoming spam on a cPanel server
- How to manage the default and custom Remote Block Lists (AKA RBL) on a cPanel server.
- How To Enable/Disable Roundcube Plugins?
- How to create a mail filter to filter email for a specific subject
- How to rebuild your SNI configuration
- How to Change the RoundCube Default Message Type to HTML or Plain Text
- How to update your PTR (rDNS) on a Contabo server
- How to find which users have MySQL Roundcube contacts
- How to force Exim to deliver and accept emails when it refuses to because of "no immediate delivery: load average XX" error
- How-To Make an Announce Only Mailman List
- How To Validate All The SPF/DKIM Records For All The Domains On the Sever From The CLI?
- How to add an email forwarder in the command line using UAPI
- How to make an unsubscribe footer link for mailing lists in Mailman
- How to change the MX or Mail Routing for a domain in WHM
- How do I clear out the archives for Mailman?
- How to find an email that was rejected because of a bad/broken DKIM record?
- How to Delete an Email Account
- How to filter incoming emails by country
- How to change DH group key size in Dovecot
- How to whitelist or allow certain attachments through the Exim filter
- How to add a Signature in Roundcube and Horde
- How to proxy emails by domain
- Horde temp files using a lot of space for a cPanel account.