[Mimedefang] "Command unrecognized" when doing tempfail

Oliver Schulze L. oliver at samera.com.py
Thu Jun 28 19:29:05 EDT 2007

It seems that my ISP does not have a Cisco router, but my ISP is
connect via another ISP and that other ISP has a problematic Cisco.

My last question regarding this issue is if the email will be sent again?
Because I'm tempfailling but the Cisco could not interpreted the 4xx code.

Will the original server try to send the email again?


Oliver Schulze L. wrote:
> Hi Dave,
> after doing some packet analisis in wireshark and could determine that
> indeed I'm talking to a Cisco router.
> So my connection is:
> my smtp server -> ISP cisco -> remote smtp server
> I'm now trying to contact again the ISP admin regarding this issue.
> Another smtp "servers" where I get the same problem is when a 
> troyan/virus
> from botnet is sending me spam. I conclude that those botnet servers 
> are behind
> their ISP routers.
> Thanks again
> Oliver
> Dave O'Neill wrote:
>> If it's on your end, disable it ("no fixup protocol smtp 25" at your
>> Cisco prompt, I believe).  If it's on the sender's end, there's not much
>> you can do about it.

Oliver Schulze L.   | http://tinymailto.com/oliver  
Asuncion - Paraguay | http://www.solojuegos.mobi    

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