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Microsoft KB Archive/100704

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Knowledge Base


SMTP: Err Msg: SMTP_recv:protocol error

Article ID: 100704

Article Last Modified on 10/30/2006



APPLIES TO

  • Microsoft Mail Gateway to SMTP 2.1
  • Microsoft Mail Gateway to SMTP 3.0



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