Zimbra problems with 7025 port

pfSense - Zimbra Server behind NAT

  1. Enable NAT for port 7025
  2. To lookup lmtp addresses natively instead of by DNS, simply modify the following localconfig values on all mta's
zmlocalconfig -e postfix_lmtp_host_lookup=native
  1. Once this is done, you'll need to restart the mta
 zmmtactl restart