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
How to block mails by subject line
Discuss your pilot or production implementation with other Zimbra admins or our engineers.
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