----- Original Message -----
From: "Randall Gellens" <[EMAIL PROTECTED]>
To: "Ken Hohhof" <[EMAIL PROTECTED]>; "Subscribers of Qpopper"
<[EMAIL PROTECTED]>
Sent: Monday, February 03, 2003 4:59 PM
Subject: Re: I/O error flushing


> RFC 3206 provides an unambiguous means for POP3 servers to inform
> clients if an error response is due to a credentials problem or
> something else, allowing clients to not assume a password error is
> the cause of all errors during authentication.  I'm not sure how many
> clients and servers support it yet, but recent versions of Qpopper do.

Outlook/Express has a habit of asking for a different username and password
initially, regardless of the actual error.  I believe this was intended to
provide the user with the opportunity to use a different username, but I
don't fully see the reasoning.

Only after failing to authenticate a POP session a couple or few times does
it actually give the verbose response from the mailserver.

> >  If this is not a dialup user, we still seem to see the problem with
some
> >  email clients that get hung up on a certain message or take long enough
to
> >  download mail that they hit the automatic timer to check mail again.
You'd
> >  think an email client would be smart enough not to check mail again
until it
> >  finishes the last check, but not necessarily.
>
> Which clients are these?

I've never seen behavior like this in an email client, although I've only
*extensively* used Outlook Express and Netscape Mail for Windows, and
Netscape for Solaris.  What I have seen, however, is Outlook Express getting
bored with waiting for QPopper to sort a 10MB mailbox on our dual-66MHz
SPARC system.  When I was using OE5.5 with my mail retrieval set for 2
minutes, OE would occassionaly conclude that the session was taking too
long, abort the try, then immediately try to fetch mail again.  I have not
seen equivalent behavior in OE6.

--
       Alan W. Rateliff, II        :       RATELIFF.NET
 Independent Technology Consultant :    [EMAIL PROTECTED]
      (Office) 850/350-0260        :  (Mobile) 850/559-0100
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