On Sun, Oct 11, 2009 at 01:34:58AM +0200, mouss wrote:
> > How can I configure Postfix to use vpn.mydomain.tld on IP B?
>
> create two smtpd listeners in master.cf, one for each IP, and use -o
> myhostname to set the hostname.
>
> 192.0.2.1:25 .... smtpd
> -o myhostname=vpn.example.com
This answers the OP's question, but perhaps one should ask why the OP
believes this to be a good idea? There is generally no requirement for
the SMTP server to appear to have a different name for each IP address
it is listening on.
Unless one is sufficiently motivated to use a separate Postfix instance
for each interface, there is little to gain from different host names
on different IPs.
--
Viktor.
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