[MSDN Library April 2000] MTE Per-Recipient Properties (100%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Microsoft Exchange Server > Gateway Programmer's Reference > Guide > Message Transfer > Using Message Transfer Envelope Properties

[MSDN Library April 2000] MTE Per-Message Properties (93.75%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Microsoft Exchange Server > Gateway Programmer's Reference > Guide > Message Transfer > Using Message Transfer Envelope Properties