Bounces from Spam Mail

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Bounces from Spam Mail


   KB 23354        Last updated on 2021-11-3  




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Problem

Block backscatter emails

Solution:

Running below commands helps to control backscatter emails :

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



Submitted by: Prabhat Kumar
Verified Against: ZCS 8.7.11 Date Created: 2020-04-13
Article ID: https://wiki.zimbra.com/index.php?title=Bounces_from_Spam_Mail Date Modified: 2021-11-03



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