Platform SDK: CDO for Windows 2000 |
The message identifier of the message to which this message is a reply.
urn:schemas:mailheader:in-reply-to
CdoMailHeader.cdoInReplyTo
DBTYPE_STR
[Visual Basic] String
[C++] BSTR
This corresponds to the RFC 822 header In-Reply-To mail header field.
"George" <George@microsoft.com>