Re: Outlook 2003 sporadically fails POP authentication
From: BillyBob (BillyBob_at_discussions.microsoft.com)
Date: 01/24/05
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Date: Mon, 24 Jan 2005 07:37:04 -0800
Jeff, Neo and Brian,
Having switched ports, line and adapter card, I believe I've eliminated my
hardware as a contributor to this problem. It is significant that the
problem occurs with either Outlook or Outlook Express on the computer running
XP. As I stated early-on, the problem only occurs during normal working
hours. I'd be convinced it was the traffic my ISP is carrying were it not
for two factors: 1. My ISP doesn't see others sporadically failing to
authenticiate and 2. My Windows 98SE/Outlook 2000 computer doesn't experience
this problem.
Any other ideas?
Thanks,
Bill
"BillyBob" wrote:
> Jeff, Neo and Brian,
>
> Again, thanks for continuing to give me suggestions.
>
> John, my ISP's POP guru reviewed his log of yesterday's three consequtive
> errors. No other party had access to or polled my account at that time. Yes,
> John only sees the 5 asterisks where the password would otherwise be hence we
> can tell nothing regarding dropped characters. Nothing like having a
> small-town Minnesota ISP, huh?
>
> Both of my computers are connected to a Netgear router with integral hub. I
> switched the lines from the two computers at that point to eliminate the
> possiblity of a bad port. Next, presuming the problem persists, I'll switch
> the lines leading to the network adapters in the two computers. After that,
> presuming the problem persists, I'll install my spare network adapter and
> disable the one built into my motherboard. Presuming the problem persists,
> is there anything I can do beyond that to prove my computer and LAN hardware?
> The router is common to both computers, of course, but the network adapter
> built into my Intel Pentium 4 motherboard is configurable. Of course, that
> was in place long before I upgraded from Office 2000 to Office 2003 and this
> problem didn't occur prior to that upgrade. Also, this problem didn't arise
> until after I installed an upgrade to Office 2003 but I don't recall which
> upgrade. It was the "one before last" detected by the Office update routine.
> I see in System Information that Outlook 2003 has a COM add-in called
> "Microsoft VBA..." whatever that might be.
>
>
>
>
>
> "Jeff Stephenson [MSFT]" wrote:
>
> > On Thu, 20 Jan 2005 20:31:04 -0800, BillyBob wrote:
> >
> > > Paranoid as this may sound, I'm wondering if someone else is polling my
> > > account and colliding with me from time-to-time. I can't imagine why anyone
> > > but homeland security would be interested in my boring mail, but I have no
> > > other explanation.
> >
> > I know of several servers that lock the mailbox when delivering mail to it.
> > Might that be a possibility? As to someone else polling your account,
> > maybe you could try changing your password - if someone else had somehow
> > got your password, a change would keep them from logging in. I suspect
> > that government agencies have ways of monitoring our mail without actually
> > logging in via POP3 (like direct inspection of the mailbox on the server,
> > or sniffing the network traffic)...
> >
> > > I did experience such a collision once when I was logged into my POP account
> > > through my ISP's web access and polled my account with Outlook. The message
> > > I received was quite different from the failure to authenticate, however, and
> > > clearly indicated a sharing violation.
> >
> > Yes, usually the message for this is something along the lines of "-ERR
> > mailbox busy" or "-ERR mailbox locked".
> >
> > > I asked my ISP to go back to his logs to see someone from another IP address
> > > has polled my account. This will be easy for him since my address is fixed.
> > > Still, I have a feeling this is something I'll just have to live with.
> >
> > And ask if he can distinguish an authentication failure from a mailbox
> > locked situation in his logs. That would remove the doubt around *what* is
> > happening and leave us with the issue of *why*.
> >
> > Also, neo's and Brian's suggestions are worth following up.
> >
> > --
> > Jeff Stephenson
> > Outlook Development
> > This posting is provided "AS IS" with no warranties, and confers no rights
> >
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