Microsoft KB Archive/118968

= SMTP: RFC822 Header Fields Used by the Gateway =

Article ID: 118968

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Mail Gateway to SMTP 3.0

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This article was previously published under Q118968



SUMMARY
The Microsoft Mail Gateway to SMTP uses the following RFC 822 headers:

TO

CC

FROM

SUBJECT

RETURN-RECEIPT-TO

RR

ENCODING

X-MS-ATTACHMENT (for SMTP Gateway 3.0 and later, used for SMTP backbone mail)

X-NC-ATTACHMENT (for SMTP Gateway 2.1b or earlier)

All other fields are preserved and passed on in the message to the recipient, unused by the gateway.

Additional query words: 3.00 smtp header RFC822

Keywords: KB118968

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