The X-Mailer header identifies the software that created the e-mail message CDOSYS sends. CDOSYS supplies this data in compliance with the nonstandard header definition in RFC 2076: Common Internet Message Headers.
Fields
- X-Mailer
Data type: STRING
E-mail client or library in which the message was created, followed by a <CRLF>. This information appears in the message's header section.
Remarks
For more information about nonstandard headers, see RFC 2076: Common Internet Message Headers. For more information about the message body, see RFC 822: Standard for the Format of
ARPA Internet Text Messages.
For Microsoft licensing information, see Published Protocols and Royalty-Free License on Microsoft Developer Network (MSDN).
See Also
CDOSYS, Content-Class, X-Newsreader