hylafax changing destination

[azeem ahmad]

>From: Les Mikesell <lesmikesell at gmail.com>
>Reply-To: For users of Fedora Core releases <fedora-list at redhat.com>
>To: For users of Fedora Core releases <fedora-list at redhat.com>
>CC: hylafax-users at hylafax.org
>Subject: Re: hylafax changing destination
>Date: Thu, 02 Feb 2006 14:21:35 -0600
>
>On Thu, 2006-02-02 at 14:03, azeem ahmad wrote:
> > hi list
> > is it possible to configure hylafax in such a way that it work as 
>mail-fax
> > gateway with dynamic destination numbers.
> > like currently i m running hylafax in a fashion that every mail sent to
> > faxmail at zoni.com is handed over to hylafax that sends it to fone number
> > 5545412, now what i want is to facsilitate user that he could specify a
> > number as well in his mail
> > for instance
> > user could mail to
> > some#fone#no at zoni.com
> > and fax will be sent to that some#fone#no
>
>If you are using sendmail, you should be able to used
>'plussed' addresses. The local (username) part of the
>address to the left of the plus is the base.  Sendmail
>will look for .forward files in that user's home directory
>in the form of .forward+xxxx where xxxx is the part after
>the plus. If it doesn't find a match, it looks again
>for a standard .forward and then performs a normal delivery.
>That means you should be able to use an address like
>faxmail+phone-number at yourdomain.com and have faxmail
>alias parse out an arbitrary phone number.  I think
>procmail already gets the plused part as an argument
>during delivery so if you run the command out of .procmailrc
>you'd already have it - otherwise it can be difficult
>to interpret mail headers since you can't tell if a
>certain delivery is for a To:, or CC: or something not
>even in the headers.
>

i really couldnt get anything out of it.
can u plz explain it in simple

Regards