"LISTSERV site administrators' forum" <[log in to unmask]>
wrote on 05/10/2004 03:27:41 PM:

> There's any number of "delivery receipt requested" methods.  Almost
> all of them run into one of two issues:
>
> 1) The notification is itself a separate e-mail, subject to being
> lost as well.
>
> 2) Sooner or later, somebody posts to a 30K subscriber list..... :)
>
> There's nothing that's really significantly better than simply making
sure
> that the submission will get posted to a mailbox that the submitter
reads,
> and if it doesn't show up, you start chasing through the logs....

And then you have servers that refuse to generate delivery status
notifications.  And clients that give the end user the option to decline
to send a return receipt.