Exim Filtering to block emails from and to domain TLD (.ru) in the server
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] ~ >>cp -pr /etc/cpanel_exim_system_filter /usr/local/cpanel/etc/exim/sysfilter/options/
] ~ >>vi /usr/local/cpanel/etc/exim/sysfilter/options/cpanel_exim_system_filter
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] ~ >>cp -pr /etc/cpanel_exim_system_filter /usr/local/cpanel/etc/exim/sysfilter/options/
] ~ >>vi /usr/local/cpanel/etc/exim/sysfilter/options/cpanel_exim_system_filter
Add following line to file /usr/local/cpanel/etc/exim/sysfilter/options/cpanel_exim_system_filter,
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#For blocking all incoming and outgoing russian emails
if first_delivery
and (“$h_to:, $h_cc:” contains “.ru”)
or (“$h_from:” contains “.ru”)
then
seen finish
endif
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Give custom exim filter file location in WHM,
WHM Home »Service Configuration »Exim Configuration Manager
System Filter File —> /usr/local/cpanel/etc/exim/sysfilter/options/cpanel_exim_system_filter
Restart Exim service.