How to block mails by subject line

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vijendra
Posts: 12
Joined: Tue Mar 13, 2018 10:07 pm

How to block mails by subject line

Postby vijendra » Tue Nov 13, 2018 9:47 pm

I am running on zimbra 8.6
I need to block some spam email with subject line
But when I open /opt/zimbra/conf/postfix_header_checks
its open in read only mode

Can anyone Help me on this as I need to block below subject lines
1) Facture 13112018/TFS4004981-15 *****************
2) Hacking Alert! You account was hacked (your password:officepassword)
3) Account Issue. Changed password


Thanks,
Vijendra


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