Monday, May 9, 2016

Zimbra SMTP MTA Relay

*** If any Zimbra Server IP black listed and Urgent need to send emails via other SMTP server then follow bellow steps.

** Go To the Zimbra Admin Panel

** If you forgot admin password then login to SHELL by root

root@mail# su - zimbra

[zimbra@mail ~]$  zmprov sp AdminPassword

** Login by admin password

** Click "Configure" TAB
** Click "Global Settings"
** Click "MTA"
**  Realy MTA for External Delivery :  port 25  (**Set SMTP servers IP and Port)
** Save settings

#### Go To the smtp Server:  login by root

** Vi /etc/postfix/
Add Zimbra-Server-IP to MyNetwork
mynetworks =

*** If other Mail Server (MX) wants to send(relay) emails through Zimbra server(,, follow bellow steps....
root@mail# su - zimbra
[zimbra@smtpgw2 ~]$ postconf mynetworks

***Outpur will be like bellow...........
mynetworks = [::1]/128 [fe80::]/64

*** Add your mx server IP by bellow command
[zimbra@smtpgw2 ~]$  zmprov ms zimbraMtaMyNetworks ' [::1]/128 [fe80::]/64'

[zimbra@smtpgw2 ~]$  postfix reload

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