Re: [Exim] Command unrecognized

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Szerző: Philip Hazel
Dátum:  
Címzett: Schmadlak, Jürgen
CC: exim-users
Tárgy: Re: [Exim] Command unrecognized
On Thu, 24 Feb 2000, "Schmadlak, Jürgen" wrote:

> ---
>     xyz@???:
>     SMTP error from remote mailer after MAIL FROM:
>     <xyz@???> SIZE=3366:
>     host newgate.actel.com [204.33.72.16]:
>     500 Command unrecognized:
>     "\001\001\b"
> ---

>
> Is the Problem on my Side or is this a Problem of actel.com?


It looks like somewhere in between. From that output one can deduce that
Exim sent

MAIL FROM:<xyz@???> SIZE=3366

and the server received junk (the three characters with code values 1,
1, 8 (backspace).

This kind of data mangling has been seen with firewalls and sometimes
with broken routers. I connected to the host myself and tried the
experiment: it all worked correctly.

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