[Pkg-exim4-users] Two (slightly) different configurations for port 25 and 587

[Boyd Stephen Smith Jr.]

In <201010211020.21519 at fortytwo.ch>, Adrian von Bidder wrote:
>What I'd like to do:
>
> * don't advertise STARTTLS at all on port 25 (I've had problems with
>several mailservers with broken implementations, so I don't want them to try
>this.  I don't want exim to use TLS on outgoing mail either, btw.)
> * don't allow authentication at all on port 25 (no mail submission!)
> * on Port 587, exactly the other way round: only allow mail in after
>authentication via TLS.  Ideally, I'd like the antispam stuff that runs on
>port 25 incoming mail to run not at DATA time but after (and generate
>bounces), so people don't get their email stuck in the outbox.
>
>Is this easily possible?  (I admit that this is probably just a question of
>RTFM.  But the exim manual is 57 chapters long ... :-)

I believe you can use String expansions (Chapter 11) to make each of the 
relevant configuration options different depending on the port.  In particular 
the are two Expansion variables (Section 11.8): $interface_address and 
$interface_port.

I haven't tested this at all.
-- 
Boyd Stephen Smith Jr.                   ,= ,-_-. =.
bss at iguanasuicide.net                   ((_/)o o(\_))
ICQ: 514984 YM/AIM: DaTwinkDaddy         `-'(. .)`-'
http://iguanasuicide.net/                    \_/
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