What causes this type of address in envelopes? - how towhitelist!

[Glenn Steen]

On 02/10/2007, Quentin Campbell <Q.G.Campbell at newcastle.ac.uk> wrote:
> >-----Original Message-----
> >From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
> >bounces at lists.mailscanner.info] On Behalf Of Glenn Steen
> >Sent: 02 October 2007 14:33
> >To: MailScanner discussion
> >Subject: Re: What causes this type of address in envelopes? - how
> >towhitelist!
> >
> [snip]
> >> You can reliably whitelist PRVS addresses using a regular expression.
> >> Using the address example from Steve's original message,
> >> prvs=somebody=7848db996 at somedomain.com, your entry in the
> >> spam.whitelist.rules file for that address would be:
> >>
> >> From:   /prvs=somebody=.*\@somedomain\.com$/     yes
> >>
> >Except that this still is very spoofable...:-).
>
> Glen
>
> True, but that has always been a problem with whitelisting non PRVS-type
> addresses so Steve is no worse off (with the above) than he was before
> the sender introduced PRVS.
>
> Quentin
True. Just my regular carp:-).

Cheers
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se