on Wed, Oct 30, 2002 at 01:54:50PM -0800, The Little Prince wrote:
> On Wed, 30 Oct 2002, Steven Champeon wrote:
> 
> > on Wed, Oct 30, 2002 at 01:02:42PM +0530, Raja wrote:
> > > Would like to setup a mail server. We have multiple domains with
> > > single IP address. is the QPOPPER supports virtual domains? ie, I
> > > would like to have, for example, [EMAIL PROTECTED], [EMAIL PROTECTED] with single
> > > IP address. I'll be grate for your advises.
> > 
> > Virtual domains don't have anything to do with qpopper. They're an MTA
> > (mail transfer agent) function, not a POP function. As far as qpopper
> > knows, there are no domains at all, just spool files (or their
> > equivalent).
> 
> that's not really true. lots of pop3 servers support virtual domains,
> so usernames can be non-unique across multiple mail domains, users can
> login simply with their email address, organizational reasons, etc..

My point was that it doesn't matter whether qpopper supports it or not,
the initial distinction between user@abc and user@def is made by the MTA.
 
> the faq just states that "qpopper" doesn't support them natively, not that 
> they're not a function of pop3 at all.

They are not a function of POP3, though. 

 http://www.ietf.org/rfc/rfc1939.txt

As far as POP3 is concerned, the token following USER only has to apply
to some maildrop or another, and be uniquely identified. You may log in
with a token that resembles an email address, but for all practical
intents and purposes, it's just a token. And your claim that the username
can be non-unique pertains only to the LHS of the "address", not to the
token as a whole.

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