On Sat, 26 Apr 2003 00:35:02 EDT, Glenn <[log in to unmask]>  said:

> I am not sure if you need to use /usr/lib/courier/bin/preline with the
> mail; you might want to test that.  From the courier doc:
>   http://www.courier-mta.org/dot-courier.html
>
>     When the external program reads the message from standard input,
>     the message will NOT have the customary From_, Return-Path:, and
>     Delivered-To: headers which are customary for locally-delivered

....
>
> For reference, I use Postfix and disabled the Delivered-To: in Postfix.

Listserv can get along fine without Delivered-To:.

However, expect to come in the next morning and find the computer equivalent
of vomit several inches deep on the server room floor if you don't feed it
the correct Return-Path: lines - that *will* hose things up quite well.