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

[Quentin Campbell]

>-----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