postfix-users October 2010 archive
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postfix-users: Postfix as TLS client using different credentials

Postfix as TLS client using different credentials for same SMTP host

From: Chris Hills <chaz_at_nospam>
Date: Mon Oct 11 2010 - 18:56:40 GMT


The situation is thus:-

I wish to provide a v6-to-v4 relay for two different domains using the
same postfix process. Mail for the domains is hosted by google, so the
destination host will be for both domains. However,
recently my ipv4 provider has blocked outgoing tcp:25 so now I must use
tcp:587 using TLS and authentication. The problem is that I need to use
two different credentials depending upon the domain for which the
message is being relayed.

i.e. -> postfix -> (user: domain1) -> postfix -> (user: domain2)

How do I configure this?