Zimbra Client host rejected Access denied

In this tutorial, How to solved problem "Zimbra Client host rejected Access denied".

Zimbra client host rejected Access denied error log

Dec 19 01:21:28 mail postfix/amavisd/smtpd[5106]: NOQUEUE: reject: CONNECT from unknown[]: 554 5.7.1 <unknown[]>: Client host rejected: Access denied; proto=SMTP
Dec 19 01:21:28 mail postfix/amavisd/smtpd[5106]: lost connection after CONNECT from unknown[]
Dec 19 01:21:28 mail postfix/amavisd/smtpd[5106]: disconnect from unknown[]

Allow the network "" of client host for zimbraMtaMyNetworks attribute

[zimbra@mail ~]$ zmprov ms `zmhostname` zimbraMtaMyNetworks " [::1]/128 [fe80::]/64"

The change "smtpd_client_restrictions" and "smtpd_relay_restrictions" with content below

[zimbra@mail ~]$ /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


Popular posts from this blog

zimbra some services are not running [Solve problem]

Bash script list all IP addresses connected to Server

How to install and configure zimbra multi server