Mail Security Tweaks

Cek lokasi pengiriman email terbanyak

grep cwd /var/log/exim_mainlog | grep -v /var/spool | awk -F"cwd=" '{print $2}' | awk '{print $1}' | sort | uniq -c | sort -n | tail -n 10

Additionally, the following links also contain information that may be helpful in preventing spam on or from your server:

You should be able to restrict mail from nobody or keep PHP scripts from sending mail through either SMTP Tweak or set Trust X-PHP-Script headers to determine the sender of email sent from processes running as nobody to the "Off" setting in the Exim Configuration Manager from WHM.

https://documentation.cpanel.net/display/CKB/How+to+Prevent+Email+Abuse
https://documentation.cpanel.net/display/1140Docs/Scan+Outgoing+Mail
http://forums.cpanel.net/f5/setup-limit-sending-out-mails-per-hour-per-domain-users-201222.html#post843452
http://forums.cpanel.net/f5/how-do-i-prevent-spam-email-119825.html