SMTP: RFC822 Header Fields Used by the Gateway (118968)



The information in this article applies to:

  • Microsoft Mail Gateway to SMTP 3.0

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.

Modification Type:MajorLast Reviewed:11/4/1999
Keywords:KB118968