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Re: SRS in Postfix

From: Wietse Venema (wietseporcupine.org)
Date: Thu Apr 17 2008 - 06:54:25 CDT


Aneurin Price:
> Hello all,
>
> I've been searching for a way to get Postfix to perform SRS, and it
> looks like it's not currently possible, but i'd like to check if this
> is the case.
>
> It seems that SPF and SRS implementations are completely separate
> (which makes sense as they do completely different things, but still
> surprised me a little as I would have expected SRS to be more or less
> required if you want to use SPF). Unfortunately, although there are
> SPF implementations compatible with Postfix, it doesn't look like
> there are any for SRS.
>
> All the talk about it seems to say things like 'in development' or
> 'sort of works if you patch some old version', but then I've not found
> too much recent information, so could anyone summarise the current
> situation vis-a-vis SRS in Postfix?

Postfix implements SPF, SenderID, DKIM and DomainKeys only via
non-Postfix software (milters, smtp-based content filters).

        Wietse

> I don't care about SPF, but I'd really like SRS so I can try something
> like this scheme: http://www.infradead.org/rpr.html (for Exim).
>
> Thanks,
> Aneurin Price
>
>