Wireshark-users: [Wireshark-users] (no subject)
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From: "Jay Gellman" <jgellman@xxxxxxxxxxxxxx>
Date: Tue, 21 Nov 2006 13:34:27 -0500

I am tracking a slow email transfer problem with one of my servers and have found the following:

I can see the handshake and transfer of commands to the mail server; I see data flowing then after about 20 packets I see a TCP DUP Ack

Then the rest of the packets reply with a [TCP Window Full] Message Body

Does anyone know what would cause this?