use .Mt to mark up email addresses consistently (part3)

PR:		191174
Submitted by:	Franco Fichtner  <franco at lastsummer.de>
use .Mt to mark up email addresses consistently (part4)

PR:		191174
Submitted by:	Franco Fichtner  <franco at lastsummer.de>
use .Mt to mark up email addresses consistently (part6)

PR:		191174
Submitted by:	Franco Fichtner <franco at lastsummer.de>