ZCS Administrator Guide 8.0
ZCS Administrator Guide 8.0
Network Edition


Zimbra Mail Transfer Agent

Zimbra Mail Transfer Agent
The Zimbra MTA (Mail Transfer Agent) receives mail via SMTP and routes each message using Local Mail Transfer Protocol (LMTP) to the appropriate Zimbra mailbox server.
The Zimbra MTA server includes the following programs:
*
*
*
*
*
In the VMware Zimbra Collaboration Server configuration, mail transfer and delivery are distinct functions. Postfix primarily acts as a MTA, and the Zimbra mail server acts as a Mail Delivery Agent (MDA).
The MTA configuration is stored in LDAP. A configuration script polls the LDAP directory every two minutes for modifications and updates the Postfix configuration files with the changes.
Copyright © 2012 VMware Inc.