Smtp fallback relay: Difference between revisions
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=SMTP fallback relay= | |||
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If you have the need to use more than one relayhost, or in the event your zimbraMtaRelayHost MTA becomes, unreachable, you can configure Zimbra's MTA to fallback on other MTA machines that can relay messages.<br> | If you have the need to use more than one relayhost, or in the event your zimbraMtaRelayHost MTA becomes, unreachable, you can configure Zimbra's MTA to fallback on other MTA machines that can relay messages.<br> | ||
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Notable enhancement request, http://bugzilla.zimbra.com/show_bug.cgi?id=37717 | Notable enhancement request, http://bugzilla.zimbra.com/show_bug.cgi?id=37717 | ||
{{Article Footer|Zimbra Collaboration 7.0|04/16/2014}} | |||
[[Category:Command Line Interface]] | [[Category:Command Line Interface]] | ||
[[Category:MTA]] | [[Category:MTA]] | ||
Latest revision as of 09:23, 13 July 2015
SMTP fallback relay
- This is archive documentation, which means it is not supported or valid for recent versions of Zimbra Collaboration.
- This article is a Work in Progress, and may be unfinished or missing sections.
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| This article applies to the following ZCS versions. |
If you have the need to use more than one relayhost, or in the event your zimbraMtaRelayHost MTA becomes, unreachable, you can configure Zimbra's MTA to fallback on other MTA machines that can relay messages.
For example:
zmprov gs `zmhostname` | grep zimbraMtaRelayHost
zimbraMtaRelayHost: mta1.domain.com
To add additional MTA's:
postconf -e smtp_fallback_relay="mta2.domain.com:25, mta3.domain.com:25"
zmmtactl restart
If mta1 was unreachable, mta2 and mta3 can be used as backup.
If you want the change to survive upgrades:
1) Add the following to the /opt/zimbra/conf/zmmta.cf file
POSTCONF smtp_fallback_relay LOCAL postfix_smtp_fallback_relay
***I would suggest adding the line underneath "POSTCONF inet_protocols VAR zimbraPostconfProtocol***
2) Add the setting to the localconfig
zmlocalconfig -e postfix_smtp_fallback_relay="mta2.domain.com:25, mta3.domain.com:25"
Notable enhancement request, http://bugzilla.zimbra.com/show_bug.cgi?id=37717
