Re: [CORE] SPF Record ...

Marc G. Fournier wrote:
> The thing is, 'checking for spam as it comes in' doesn't get rid of,
> or reduce, the problem ... SPF might not be it either ... but, if (in
> a perfect world) every mail server forced something like SPF, so that
> ppl could only send email through a legit mail server (ie.
> commandprompt.com email through a commandprompt.com mail server,
> gmx.net mail through a gmx.net mail server, etc) ... would that not
> reduce the overall spam on the 'Net?

Not really, because of two reasons:

1) Spammers can just register their own domain and set up SPF records
for that.

2) Most spam is sent through zombies, so it passes through the SPF
system undetected.

--
Peter Eisentraut
http://developer.postgresql.org/~petere/