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Date:      Tue, 3 Mar 1998 15:04:59 +0100 (MET)
From:      Tomasz Zin <tom@arka.mtl.pl>
To:        Andreas Klemm <aklemm@hightek.com>
Cc:        isp@FreeBSD.ORG
Subject:   Re: sendmail[24750] ... collect: I/O error on connection from ...
Message-ID:  <Pine.BSF.3.91.980303145835.506C-100000@arka.mtl.pl>
In-Reply-To: <19980303144859.60755@hightek.com>

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On Tue, 3 Mar 1998, Andreas Klemm wrote:

> Hi !
> 
> Does anybody have an idea, why larger e-mails from our
> customers who logon with digital modem via USR TC 
> (via PM port) die with this message ?
> 
> Smaller e-mails no problem, but larger e-mails (~1.7MB) cause
> problems. Different platforms (Mac, Win95), same problem.
> 
> Mar  3 13:37:25 klemm2 sendmail[24750]: 
> NAA24750: SYSERR(root): 
> collect: I/O error on connection from usr01-004.hightek.com,
> from=<mail.hightek.com>: Connection reset by usr01-004.hightek.com
> 
> I assume hardware problems on out TC ... What do you think ?
> I'll try to enable syslog now on the TC ...
> 
> 
> 	Andreas ///
> 
> 
> -- 
> Andreas Klemm		<aklemm@hightek.com>
> 			<andreas@FreeBSD.ORG>
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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> 

In my opinion this is hardware problem. While mail is transmited 
conection is closing. Mayby carrier is turning off.  
This is dial-in or leased line?

Check in modem settings of parity and stop bits.

Tomasz Zin 

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