From: Rocco Scappatura (Rocco.Scappaturainfracom.it)
Date: Wed Feb 06 2008 - 04:00:03 CST

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>> > Im still interested to get insight about the problem
>> described below..
>> > Anyone could help me?
>>
>> You broke the EXCHANGE server. Look in the EXCHANGE LOG FILE.
>>
>> PS: This is the Postfix mailing list.
>
> You are right. But I still can't find the cause of time out..
>
> Thanks as well..

Hello,

I would try to go deeper and understand the cause of the problem.

Since I returned to use the older machine, the MS Exchange server hase
returned to accept mails again, without problem. So I infer that the cause
stays on Postfix server.

I've tried to debug the SMTP communication with tcpdump. And I saw many
TCP retransmission. It could be a problem?

rocsca

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