Zimbra – Set MTA Trusted Networks From Command Line

To view trusted networks as the zimbra user:

/opt/zimbra/bin/zmprov gs {servername} zimbraMtaMyNetworks

To set trusted networks as the zimbra user do:

/opt/zimbra/bin/zmprov ms {servername} zimbraMtaMyNetworks {space delimited list of address and/or cidr ranges}