ZCS Administrator Guide 7.2.1
ZCS Administrator Guide 7.2.1
Open Source Edition

Working with Zimbra Proxy > Zimbra Proxy Ports for POP/IMAP

Zimbra Proxy Ports for POP/IMAP
The following ports are used either by Zimbra Proxy or by Zimbra Mailbox. If you have any other services running on these ports, turn them off.
End clients connect directly to Zimbra Proxy, using the Zimbra Proxy Ports. Zimbra Proxy connects to the Route Lookup Handler or Zimbra Mailbox using the Zimbra Mailbox Ports.
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