On Thu, 19 Jun 2014 08:17:49 +0300
Vytenis Sabaliauskas <vytenis.sabaliaus...@gmail.com> wrote:
> I'm struggling to stop abusing SASL usernames. My idea is to allow any
> particular SASL username send only from his domain, that is "
> u...@example.com" can send from "anyth...@example.com", but not from "
> u...@otherexample.com".

I don't know how to do that but I wonder why you want to.  The whole
point of authentication is to allow your users to get email without
having to trust the system they are coming in from.  If you trust the
domain then just add it to mynetworks and don't bother with
authentication.  I suggest authentication though so that your users can
get their email no matter where they are.  People are mobile.

-- 
D'Arcy J.M. Cain
System Administrator, Vex.Net
http://www.Vex.Net/ IM:da...@vex.net
VoIP: sip:da...@vex.net

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