Returns an MsoEnvelope object that represents an e-mail header for a publication.
expression.MailEnvelope
expression Required. An expression that returns one of the objects in the Applies To list.
This example sets the comments for the e-mail header of the active publication.
Sub HeaderComments()
ActiveDocument.MailEnvelope.Introduction = _
"Please review this publication and let me know " & _
"what you think. I need your input by Friday." & _
" Thanks."
End Sub