Path: utzoo!attcan!uunet!bbs!karl
From: karl@naitc.naitc.com (Karl Denninger)
Newsgroups: comp.mail.elm
Subject: Re: Getting acknowledge of receipt
Summary: Sendmail does this
Message-ID: <1990Oct02.210932.14099@naitc.naitc.com>
Date: 2 Oct 90 21:09:32 GMT
References: <1300004@hpprdea.HP.COM> <1300006@hpprdea.HP.COM> <547@cpsolv.CPS.COM>
Reply-To: karl@bbs.naitc.com (Karl Denninger)
Organization: A.C. Nielsen Co.
Lines: 20

In article <547@cpsolv.CPS.COM> rhg@cpsolv.CPS.COM (Richard H. Gumpertz) writes:
>In article <1300006@hpprdea.HP.COM> raguay17@hpprdea.HP.COM (Radames Aguayo) writes:
>>Thanks to those who responded using mail.  Now I know that the answer is to add
>>the Return-Receipt-To: header.
>
>So who generates the response to the "Return-Receipt-To" header?  I see nothing
>in elm that does it; what program at the receiving end does do it?

The mail transport agent (ie: sendmail) on the final destination end is
responsible for this.

Some don't provide the functionality, in which case the request is silently
ignored.

--
Karl Denninger	AC Nielsen
kdenning@ksun.naitc.com
(708) 317-3285
Disclaimer:  Contents represent opinions of the author; I do not speak for
	     AC Nielsen on Usenet.