Ports

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Default Ports Used by Zimbra

You may choose not to allow remote connections to all of these. In a multi-node environment, all nodes will need access to the ldap server or servers (389) and to the logger server (514), mta nodes will need access to lmtp on all mailbox nodes (7025), mailbox nodes will need admin port access to other mailbox nodes (7071).

External Access

These are ports typically available to mail clients.

25
smtp [mta] - incoming mail to postfix
80
http [mailbox] - web mail client
110
pop3 [mailbox]
143
imap [mailbox]
443
https [mailbox] - web mail client over ssl
465
smtps [mta] - incoming mail to postfix over ssl (Legacy Outlook only? If possible, use 587 instead)
587
smtp [mta] - Mail submission over tls
993
imaps [mailbox] - imap over ssl
995
pops [mailbox] - pop over ssl
9071
https [nginx => mailbox] - proxy admin console (if enabled)

Internal Access

These are ports typically only used by the zimbra system itself.

389
ldap [ldap]
636
ldaps [ldaps] - if enabled
7025
lmtp [mailbox] - local mail delivery
7047
http [conversion server]
7071
https [mailbox] - admin console
7072
http [mailbox] - ZCS Nginx Lookup (backend http service for nginx lookup/authentication)
7110
pop3 [mailbox] - Backend POP3 (if proxy configured)
7143
imap [mailbox] - Backend IMAP (if proxy configured)
7306
mysql [mailbox]
7307
mysql [logger] - logger (removed: ZCS 7)
7780
http [mailbox] - spell check
7993
imaps [mailbox] - Backend IMAP SSL (if proxy configured)
7995
pop3s [mailbox] - Backend POP3 SSL (if proxy configured)
8080
http [mailbox] - Backend HTTP (if proxy configured on same host)
8443
https [mailbox] - Backend HTTPS (if proxy configured on same host)
10024
smtp [mta] - to amavis from postfix
10025
smtp [mta] - back to postfix from amavis
11211
memcached [proxy] - nginx route lookups

System Access

22
ssh
53
dns
514
syslogd [logger] (udp)
Verified Against: unknown Date Created: 4/4/2006
Article ID: http://wiki.zimbra.com/index.php?title=Ports Date Modified: 05/22/2014
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