>One I-Mail server on a switched network. Two NICs one is an onboard
>3Com and the other is a 3C905x series. High quality hardware right?
>Therefore, what would cause my 45 or so end users to get double e-mails
>rom time to time and infrequently?
You sound convinced that you aren't sure that the problem is the NICs. :)
>The knowledge base says to upgrade
>cards... To what Cisco gigabit? C'mon, there has to be a better reason.
The Knowledge Base is an excellent resource... most of the time. There are
occasional entries that offer one possible solution to a problem without
discussing others, and I think that this may be one of those cases.
Have you checked the IMail log files to see if it shows the E-mail arriving
just once, and to see if it shows that it was delivered more than
once? There are rare cases where duplicate mails will legitimately occur
with a TCP/IP connection broken at the wrong point in the connection, but
we aren't talking about 1 in 10,000 (my guess of what infrequently might
mean here), that would be more like 1 in 1,000,000 E-mails.
I'm guessing the log files will provide a clue as to what the problem is.
-Scott
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