Bounces from Spam Mail

KB 23354	Last updated on 2021-11-03	Last updated by Shanxt	0.00 (0 votes)	Verified in: ZCS 8.8
- This is certified documentation and is protected for editing by Zimbra Employees & Moderators only.

KB 23354	Last updated on 2021-11-3
0.00 (0 votes)
- This is certified documentation and is protected for editing by Zimbra Employees & Moderators only.

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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Bounces from Spam Mail

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Bounces from Spam Mail

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