It's called a "receipt," not a "signature," and you can request it through
your mail client settings, but the recipient does not have to honor the
request, and those that don't send receipts automatically will find the
request annoying.
--
Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Email cannot be acknowledged; please post all follow-ups to the newsgroup so
all may benefit.