From: Toll, Eric (etollvipstructures.com)
Date: Tue Sep 02 2003 - 10:31:43 CDT

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Thanks for your suggestion.

I lowered MTU on Postfix Box to 1450...

Still timing out on the body..

Have you a suggestion of what the MTU should be set at??

< I always thought even 1500 was very low, like filling a 18 wheeler using
items no larger than a sugar cube >

Many Thanks,
Eric

-----Original Message-----
From: Daniel Mack [mailto:danielyoobay.net]
Sent: Tuesday, September 02, 2003 11:03 AM
To: 'postfix-userscloud9.net'
Subject: Re: Time out while sending message body

On Tue, Sep 02, 2003 at 10:45:36AM -0400, Toll, Eric wrote:
> This system is GroupWise 5 -> FreeBSD 4.7 (Postfix 2.0.14) -> Internet
> System has Cable Modem, and delivers mail well to other domains...

This smells like a classic MTU problem. Try to decrease MTU size on your
outgoing network interface.

Daniel

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