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Re: multiple relay hosts in transport - syntax

From: Ralf Hildebrandt (Ralf.Hildebrandtcharite.de)
Date: Tue Aug 04 2009 - 07:14:47 CDT

* Andrew Long <fursinkgmail.com>:
> I would like to define two relay hosts for one domain in our transport
> map, the primary and backup MTX so postfix will try the backup if the
> primary does not respond. Is this possible and what would be my
> syntax?

Use dns

$ host -t mx charite.de
charite.de mail is handled by 120 mail.charite.de.
charite.de mail is handled by 110 mail-ausfall.charite.de.

and then use:

domain.de charite.de

Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  CharitĂ© - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebrandtcharite.de | http://www.charite.de