To run commands as below
su - zimbra
zmprov mcf zimbraMtaEnableSmtpdPolicyd TRUE
zmprov mcf zimbraMtaSmtpdRejectUnlistedRecipient yes
zmprov mcf zimbraMtaSmtpdRejectUnlistedSender yes
zmprov mcf +zimbraMtaRestriction "check_policy_service unix:private/policy"
zmmtactl restart
zmconfigdctl restart
The solve problem
Bounces backscatter from spam email
Thanks for reading zimbra bounces from spam email My blog Effortless Zimbra Mail Management: Unleashing the Power of Linux Commands, How-To, and Bash Scripts I hope this is useful.