I got my wire cross i now know that:
1 - dbmail as nothing to do with "return receipts" but it
may be the (M)essage (T)ransfert (A)gent (postfix) that has.....
2 - postfix as nothing to do with "return receipts" but it
may be (U)ser (A)gent (Outlook,netscape,horde/imp..) that has.....
3 - Outlook,netscape,horde/imp... as almost nothing to do with
"return receipts" and it may be (h)uman that has.....
4 - Just ask the human to send you a "return receipts".....
5 - Is that the picture about "return receipts" and should
i tell all my boses to stop asking me to implement "return receipts"
Thanks
Jacques