Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!ames!pasteur!ucbvax!BBN.COM!ddeutsch
From: ddeutsch@BBN.COM (Debbie Deutsch)
Newsgroups: comp.protocols.tcp-ip
Subject: Re: Read Receipts & Return Receipts in E-mail
Message-ID: <8904061757.AA21378@ucbvax.Berkeley.EDU>
Date: 6 Apr 89 15:18:11 GMT
References: <11428@s.ms.uky.edu>
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 3

X.400 supports delivery notifications and return-receipts.  

Debbie Deutsch