Steps to forward mails from/to all accounts under a domain to another email

Steps to forward mails from/to all accounts under a domain to another email

Check which exim filter is used in the exim configuration file

grep filter /etc/exim.conf

Add the following entries to the filter file.

vi /etc/cpanel_exim_system_filter

##send a copy of all mails from domain.com to gmail

if $header_from: contains “@domain.com”
then
unseen deliver “test@gmail.com”
endif

##to forward gmail a copy of all mails to domain.com

if $recipients contains “@domain.com”
then
unseen deliver “test@gmail.com”
endif

Restart exim once this is done.