Zimbra client host rejected Access denied error log
Dec 19 01:21:28 mail postfix/amavisd/smtpd[5106]: NOQUEUE: reject: CONNECT from unknown[192.168.1.113]: 554 5.7.1 <unknown[192.168.1.113]>: Client host rejected: Access denied; proto=SMTP
Dec 19 01:21:28 mail postfix/amavisd/smtpd[5106]: lost connection after CONNECT from unknown[192.168.1.113]
Dec 19 01:21:28 mail postfix/amavisd/smtpd[5106]: disconnect from unknown[192.168.1.113]
Allow the network "192.168.1.0/24" of client host for zimbraMtaMyNetworks attribute
[[email protected] ~]$ zmprov ms `zmhostname` zimbraMtaMyNetworks "127.0.0.0/8 192.168.1.0/24 [::1]/128 [fe80::]/64"
The change "smtpd_client_restrictions" and "smtpd_relay_restrictions" with content below
[[email protected] ~]$ /opt/zimbra/postfix/conf/master.cf.in
The edit master.cf.in file with content below
%%uncomment SERVICE:opendkim%% -o content_filter=scan:[%%zimbraLocalBindAddress%%]:10030
-o smtpd_etrn_restrictions=reject
-o smtpd_sasl_auth_enable=%%zimbraMtaSaslAuthEnable%%
-o smtpd_tls_security_level=%%zimbraMtaTlsSecurityLevel%%
-o smtpd_client_restrictions=permit_mynetworks,permit_sasl_authenticated,reject
-o smtpd_data_restrictions=
-o smtpd_helo_restrictions=
-o smtpd_recipient_restrictions=
-o smtpd_relay_restrictions=permit_mynetworks,permit_sasl_authenticated,reject
-o syslog_name=postfix/submission
-o milter_macro_daemon_name=ORIGINATING
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