Hello Jan,
Jan Doberstein <jan.doberstein@???> (Di 21 Nov 2006 14:41:42 CET):
> Hi Heiko,
>
> Heiko Schlittermann wrote:
> > is there anybody out, who could confirm that the German ISP 1und1 uses
> > quite useless sender addresses for relaying mails from its customers to
> > outside world?
>
> maybe i can clarify, cause i know a bit about the 1and1 mailsystem. we
> quit not using nemesis, but have similar function in our exim setup.
> >
> > 2006-11-20 16:14:11 1GmAqP-0003rO-3w \
> > <= SRS0=zmI/=FA=arnold.schlittermann.de=arnold@??? \
> > H=moutng.kundenserver.de [212.227.126.171] \
> > P=esmtp S=1216 id=20061120151358.GD11857@???
> > 2006-11-20 16:14:12 1GmAqP-0003rO-3w \
> > => arnold@??? \
> > R=amavis T=amavis H=eth1.tigger.schlittermann.de [212.80.235.129]
> > 2006-11-20 16:14:12 1GmAqP-0003rO-3w \
> > Completed
>
>
> if you had an adress within the nemesis and forward this adress to an
> outsite domain (it mean external adress) it will do an srs (we do it the
> same way).
Hm, that's visible in the lines above, they do SRS. There's nothing
wrong with doing this.
> srs sendback work fine, but must also pass all acl checks and filter ...
And that's exactly what doesn't do. Bounce(!) mail (mail with "<>"
sender) to a SRS generated address doesn't work. But should.
I refuse to send bounces with not null sender, because that seems to be
Quatsch and not according the rules ... (?)
> just little idea, cause i didn't know any problems and we exchange a lot
> of mail with 1and1 ...
Did you ever try to bounce(!) some mail back to 1und1?
Best regards from Dresden
Viele Grüße aus Dresden
Heiko Schlittermann
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