On Tue, Apr 13, 1999 at 03:26:06PM -0700, Russell Van Tassell wrote:
> On Mon, Apr 12, 1999 at 02:45:22PM -0700, rex wrote:
> > It's fairly common for ISPs to put mail addressed to
> > [EMAIL PROTECTED] into username's mailbox with the "+whatever"
> > intact. This is a handy feature for filtering, seeing who's selling
> > your email addy, etc. In effect, you've got as many mailboxes as you
> > want with one account.
> >
> > I'm trying to get my ISP to support this, and need the (sort of) FAQ
> > on it as a selling point. Anyone got a pointer to it? AFAIK, it's
> > not made it into any RFCs.
>
>
> It's a default option in Sendmail, actually... some mentions of it
> occur on http://www.sendmail.org/.
>
> Eg.
>
> http://www.sendmail.org/m4/misc.html
>
>
> You can probably find many more references by searching for something
> like '"plussed users" near "sendmail"' or similiar...
Except that it normally won't actually make it intact. (Sendmail strips
recipient information from even the received lines if there is more than
one recipient in order to protect privacy.)
There are hacks to sendmail to add an X-Envelope-To header, though.
See <754uqb$4ve$[EMAIL PROTECTED]> for an example that works pretty well.
--
Brian Moore | "The Zen nature of a spammer resembles
Sysadmin, C/Perl Hacker | a cockroach, except that the cockroach
Usenet Vandal | is higher up on the evolutionary chain."
Netscum, Bane of Elves. Peter Olson, Delphi Postmaster
