Prevent send SPAM emails from self domain to self domain:

Modify file /opt/zimbra/conf/zmconfigd/smtpd_sender_restrictions.cf:

Add string: %%contains VAR:zimbraMtaSmtpdSenderRestrictions check_sender_access lmdb:/opt/zimbra/conf/postfix_sender_access%%

Result full content file:

%%exact VAR:zimbraMtaSmtpdSenderRestrictions reject_authenticated_sender_login_mismatch%%
%%contains VAR:zimbraMtaSmtpdSenderRestrictions check_sender_access lmdb:/opt/zimbra/conf/postfix_reject_sender%%
%%contains VAR:zimbraServiceEnabled cbpolicyd^ check_policy_service inet:localhost:%%zimbraCBPolicydBindPort%%%%
%%contains VAR:zimbraServiceEnabled amavis^ check_sender_access regexp:/opt/zimbra/common/conf/tag_as_originating.re%%
permit_mynetworks
permit_sasl_authenticated
permit_tls_clientcerts
%%contains VAR:zimbraMtaSmtpdSenderRestrictions check_sender_access lmdb:/opt/zimbra/conf/postfix_sender_access%%
%%contains VAR:zimbraServiceEnabled amavis^ check_sender_access regexp:/opt/zimbra/common/conf/tag_as_foreign.re%%

Create file /opt/zimbra/conf/postfix_sender_access with content:

domain1.ltd REJECT  Not authorized
domain2.ltd REJECT  Not authorized

Enable modifications:

su - zimbra
zmprov mcf zimbraMtaSmtpdSenderRestrictions 'check_sender_access lmdb:/opt/zimbra/conf/postfix_sender_access'
postmap /opt/zimbra/conf/postfix_sender_access
zmmtactl reload

LINKS

  • http://ossportal.org/forum/zimbra/1114