> You can try to crack them using one of the many, many NT password
> crackers, depending on the password algorithm the software uses.

 Don't go there. Too much time-consuming cracking the passwords. We tried
that first.

> One method we're looking at possibly using with a customer is to set up
> a modified POP proxy in front of the NT POP server for a few weeks. The
> proxy will note the username and password and then relay the connection
> through (obviously you'll need to modify the proxy source to log
passwords).

Now your talking. Exactly what we did. Worked perfectly. The client POPed
in, proxy did a check if the account was local, if not then POPed into the
old NT server and retrieved the mail from there. This was done with logging,
so after a while we had the users password in clear text for further
processing into the SQL database.

Your welcome to contact me, and I'll se what we have of old code and
information for this solution.
You have to prepaire to leave this solution on for ~3 months, depending on
how many users you have. You will end up with some accounts never logged
into, cleaning up I think you call it ;)
--
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IDG New Media     Einar Bordewich
Technical Manager  Phone: +47 2336 1420
E-Mail:           [EMAIL PROTECTED]
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