The message identifier(s) of the original message(s) to which the current message is a reply.
The list will be empty if no In-Reply-To header was present in the message
See Also
MessageHeader Class | OpenPop.Mime.Header Namespace
The message identifier(s) of the original message(s) to which the current message is a reply.
The list will be empty if no In-Reply-To header was present in the message
MessageHeader Class | OpenPop.Mime.Header Namespace