Microsoft KB Archive/100704

= SMTP: Err Msg: SMTP_recv:protocol error =

Article ID: 100704

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Mail Gateway to SMTP 2.1
 * Microsoft Mail Gateway to SMTP 3.0

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This article was previously published under Q100704



SYMPTOMS
Versions 2.1 and 3.0 of Microsoft Mail Gateway to SMTP may display this error message:

SMTP_recv: protocol error



CAUSE
This indicates an error at the TCP or IP layer.



RESOLUTION
Send the message again. If the error occurs frequently, check the network with a protocol analyzer to determine the exact problem.

Additional query words: 2.10 3.00 errmsg alert

Keywords: KB100704

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