>On Wed, 19 Feb 2003, jens-ingo brodesser wrote:
>
>> i'm using exim on debian stable.
>
>... which is still Exim 3, I think. That is now over a year old, and I'm
>forgetting it.
do you recommend upgrading to version 4 ?
> > "unexpected disconnection while reading SMTP command from [IP_address]
>>
>> what does this message mean ?
>
>Exactly what it says. Exim was waiting for the client to send something,
>and the connection dropped. There are several network-related things
>that can cause this, and there is some information in the FAQs. (In the
>Exim 3 FAQ, look at Q0018 and Q0021, for example.)
>
>You need to find out what the other end thinks is happening when it
>tries to send to you. Then you need to be suspicious of anything in
>between, such as a firewall.
the remote smtps (sendmail) are sending back "User unknown" error
messages to their local users. that's really strange.
--
jens-ingo
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