Hi,

Roelof Otten> A few questions.
Roelof Otten> Is everyone of them using TB? And if so, do all copies of TB show the
Roelof Otten> same behaviour? In the latter case you could try to ask the ISP about
Roelof Otten> changes in the server.

They all use TB and the ISP maintains the problem isn't on their side
(which I believe). It seems to be a misconfiguration somewhere in the
office... I can't access it for the moment, but will keep
investigating.

Roelof Otten> Does TB every time download all messages, or did it only once and
Roelof Otten> afterwards only when you killed the dupes. That might point to a
Roelof Otten> change on the server side.

It does randomly download the messages, killing the dupes only
accentuates the problem. It wasn't doing so before, so I smell
misconfiguration on at least one station.

Roelof Otten> A solution for the current situation would be to let the four of them
Roelof Otten> download their mail with the last of them to delete it immediately on
Roelof Otten> the server. Unless their flow is real high, this action shouldn't
Roelof Otten> cause more than one or two messages not to be distributed to the four
Roelof Otten> of them (but only to the last).

It can't be done, the four work separately and I can't impose *any*
particular procedure. It has to all automagic...

Roelof Otten> Since you've been working this way for months, the idea behind it is
Roelof Otten> sound. However with a real high flow the storage on the server or the
Roelof Otten> buffer that TB uses might overrun and cause something like this.

The mailbox in question gets between 100 and 250 e-mails/day. Their
net connection is too slow (adsl 512/128) for using IMAP, which would
solve the problems altogether.

Roelof Otten> Possible solutions:
Roelof Otten> 1) Kill messages after a week

Doesn't change a thing.

Roelof Otten> 2) If your four are on a LAN and use TB, you could configure one copy
Roelof Otten>     of TB as server to collect and send the mail. Look at the TB help
Roelof Otten>     file for: "The Bat! Networking Course" to get more info on this
Roelof Otten>     subject. Now TB can delete mail on the server.

Sounds like a solution to me. I hadn't noticed it was possible! It
should solve the problem since there won't be no sharing on the server
level. Should make it a bit faster too.

Roelof Otten> 3) Install a real server on your LAN, this enables everyone to mail
Roelof Otten>     among themselves and with my server (I'm using Mailtraq) it's easy
Roelof Otten>     to distribute the mail to all four of them. Or if you'd like to
Roelof Otten>     spread the workload, to send every message only to one of them.
Roelof Otten>     And I expect the same functionality in other servers like Mercury
Roelof Otten>     or MDaemon.

Yes, it'd be the best thing to do, but the client, strangely, is
against the idea. Go figure why... <sigh>

Roelof Otten> In my message I presumed four copies of TB, I'm not sure whether
Roelof Otten> that's correct, but you didn't give lots of info. ;-)

My bad :)

Roelof Otten> To do more possible error hunting:

Roelof Otten> 1) Four copies of the same version of TB?

Site-wide license, shouldn't be a problem!

Roelof Otten> 2) Do all copies experience the same problem?

Trying to find out, but the users have a hard time understanding
the question (PEBKAC).

Roelof Otten> 3) Do other mua's have the same problem?

Care to enlighten me as to the meaning of "mua"?

Roelof Otten> 4) How often did the problem occur (without killing dupes, that only
Roelof Otten>     repeats the whole problem): once, once a month, once a half year,
Roelof Otten>     once per 65536 messages.

Several times a week.

Roelof Otten> 5) Was their a setup/version change before TB started to behave
Roelof Otten>     erroneously? (This includes other software, OS, hardware, ISP,
Roelof Otten>     internet connection)

Nope, nothing changed.

Roelof Otten> 6) Did something else change with the computers or the people that use
Roelof Otten>     them? (One of them taking the kids to office could prove
Roelof Otten>     disastrous. <g>)

If they did, they wouldn't tell... And the thing is I'm no longer
officially taking care of them, just trying to find a solution for the
new guy who never used TB.

Thanks immensely for your help!
Dave


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