Re: ISA Server 2004 : An unknown SMTP command used XEXCH50

From: Ori Yosefi [MSFT] (oriy_at_online.microsoft.com)
Date: 01/30/05 

Date: Sun, 30 Jan 2005 15:04:35 +0200

Please look in the link I've sent. It states the size limits for the command
there.

50 bytes for request, 40 bytes for response.

Ori. 

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Ori Yosefi[MSFT] ISA Server Team
"Abdussalam Kodakkadan" <abdussalamk@kodakkad.com> wrote in message 
news:uAa1iUEBFHA.3824@TK2MSFTNGP10.phx.gbl...
> Thanks MR. Ori Yosefi.
>
> When I add this command in the SMTP filters, what is the size should be 
> mentioned?
> Please reply.
> thanks.
>
> "Ori Yosefi [MSFT]" <oriy@online.microsoft.com> wrote in message 
> news:uMhop25AFHA.2112@TK2MSFTNGP14.phx.gbl...
>>I looked this SMTP command up and found the following entry: 
>>http://support.microsoft.com/kb/812455
>>
>> A possible solution is simply to add this command to the list of SMTP 
>> commands in the filter's definitions.
>>
>> Hope this helps,
>>
>> Ori.
>>
>>
>> -- 
>> This posting is provided "AS IS" with no warranties, and
>> confers no rights.
>>
>>
>> Please do not send email directly to this alias. This alias is for 
>> newsgroup purposes only.
>> Ori Yosefi[MSFT] ISA Server Team
>>
>> "Abdussalam Kodakkadan" <abdussalamk@kodakkad.com> wrote in message 
>> news:e$y8Np5AFHA.2180@TK2MSFTNGP10.phx.gbl...
>>> hi,
>>> I am using ISA 2004 as my firewall.  My e.mail sever is exchange 2003, 
>>> and
>>> both are in Windows 2003 OS.  Since i enabled SMTP Filter and alerts in 
>>> ISA,
>>> i am getting the alert 'An unknows SMTP command is used XEXCH50 2160'
>>> (number is different sometimes).  I think this error is occuring if 
>>> anybody
>>> sending a mail from hotmail website and these messages are not coming to
>>> receipient.  But when I restart the firewall server, those messages are
>>> coming.  All other mails (like from yahoo or any other web based mails) 
>>> are
>>> coming without any error.
>>>
>>> I would apprecaite if anybody can help me to suggest a solution.
>>> Thanks
>>> Abdussalam
>>>
>>>
>>
>>
>
>