289756Re: Multiple IP addresses binding
- Nov 29, 2012WebprodsPT:
> Hello,As documented, using "-o smtp_bind_address" with smtpd(8), the mail
> I am the administrator of a Postfix setup with multiple domains,
> multiple IP addresses and SSL configured and up and running. Everything
> was configured by myself and I have no restrictions on the mail server
> machine so basically I can do whatever you suggest.
> Today I received a new requirement and I'm not being able to configure
> it, even after reading lots of resources around the web. Email messages
> for each separate domain must be sent FROM their respective IP address.
receiving program, has no effect whatsoever. This feature has effect
only on smtp(8), the mail sending program.
You may kludge something with sender_dependent_default_transport_maps,
choosing an appropriate SMTP client depending on the sender address,
each SMTP client having its own "-o smtp_bind_address" setting.
That obviously does not work for delivery status notifications
which, as required by RFC, have the null sender address.
The proper solution is to use one POSTFIX INSTANCE per domain/IP
address. See http://www.postfix.org/MULTI_INSTANCE_README.html
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