cPanel & WHM offers two ways in by which you can to modify Exim's default preferences for outgoing mail's IP address.
Modify the rDNS for each IPv4 address to point to the desired domain.
Warning title Important:
- An incorrect rDNS configuration may cause mail servers to reject your server's mail.
- For more information, read our How to Configure Reverse DNS for BIND in WHM documentation.
Enable the Send mail from account's dedicated IP address option in WHM's Exim Configuration Manager interface ( Home >> Service Configuration >> Exim Configuration Manager ).
Warning title Warning:
If you select this option, cPanel & WHM uses the
/usr/local/cpanel/scripts/updateuserdomainsscript to automatically configure Exim, and overrides any manual changes in the following files:
To use a custom Exim configuration, you must enable the following options in the Basic Editor section of WHM's Exim Configuration Manager interface (Home >> Service Configuration >> Exim Configuration Manager):