Re: [EXIM] Broken Pipe / Remote closed connection

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Author: Philip Hazel
Date:  
To: Sascha Pollok
CC: exim-users
Subject: Re: [EXIM] Broken Pipe / Remote closed connection
On Mon, 8 Mar 1999, Sascha Pollok wrote:

> here is a problem. I am sending a 2 MB mail to a friend
> @airbus.dasa.de (MX=193.96.150.2). This seems to be a firewall
> SMTP Server.


Biggish message...

> I called exim with -d9 -M msgid. The whole beginning looks
> normal. I then got a lot of writing data block size=8188 timeout=300. The
> ending looks like:
>
> writing data block size=8188 timeout=300
> ok=0 send_quit=0 send_rset=1 continue_more=0 yield=2 first_address=0
> set_process_info: 2711 2.052 delivering 10Jvbs-0000X0-00: just tried
> pollux.airbus.de
> [193.96.150.2] for michael.paepcke@???: result DEFER
> LOG: 0 MAIN
> host pollux.airbus.de [193.96.150.2]: Broken pipe


"Broken pipe" is the error you get on some OS when the far end just
drops the connection. (The alternative is "connection reset by peer").

There are broken SMTP servers around that just drop the connection after
the data has been sent if they don't like the message for some reason
(e.g. it is too big) instead of sending a 5xx error code. It sounds to
me as if this is what is happening. Have you tried sending a small
message to the same address?

> Any suggestions?


Get in touch with the postmaster at pollux.airbus.de.

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.



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