Okay, first let me profess ignorance (blissful) about Unix mail systems.
I know that sendmail does forwarding and aliasing, and that /usr/bin/mail
reads it, but that's the extent of it.

I noticed that mail.local allows you to mail to anyone on the local
system, and use any string as it's "from" header.

Now while Unix mail has not exactly ever been unforgeable, does it seem
like we should make a little better attempt at some kind of authenticity?

Next, if mail.local replaces binmail, can we indicate that in the manpage?

Finally, I'm having this problem; "filter" saves messages in my mailboxes
but doesn't leave the not-read marker, which makes me unhappy.  popclient,
however, keeps the not-read flag (or rather, doesn't add the read flag) but
does not check my .forward file so mail gets filtered.  Is there any way
I can have my cake and eat it too?

Anyone who can direct me to a place that defines terms like ``mail delivery
agent'' and gives a ``big picture'' of mail delivery, I'd really like that.
-- 
VaX#n8 (vak-sa-nate) - n, CS senior++ and Unix junkie - vax@ccwf.cc.utexas.edu
Deal with evil through strength, yet encourage good through trust.    - PGP me