How to save server from sending spam mails

[babbar]

I have done all the possible settings in cpanel to avoid server from getting abuse by spammers.

Still spam mails are going from server. Due to which server gets blacklisted every now and then.

Pl. guide all the steps/tweaking I need to follow. Where I can avoid server from getting blacklisted due to spam mails.


I have already done tweaking on server.

Restrict outgoing SMTP to root, exim, and mailman (FKA SMTP Tweak) on
Brute force protection On
Hr limit is set
Firewall on
Prevent “nobody” from sending mail on
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Kindly suggest/guide/share all the steps i should follow on server to avoid spam mails shooting from server due to virus in user machine.

 

[cPanelMichael]

Hello

The following document is helpful:

cPanel - Prevent Email Abuse

If you suspect SPAM is being sent, you should review /var/log/exim_mainlog to try to determine the source of the SPAM.

Thank you.