Re: [exim] Spam from domain yahoo.com

Several users on my servers receiving messages from DSL and ip listed in sbl
systems... I'm not block this :-(. But if have a Mysql condition for block this
only by user I interesting... Thanks

Cordialmente, Silmar A. Marca

Citando Suresh Ramasubramanian <linux@???>:

> Silmar A. Marca wrote:
> > I use callout verify, spf verify and all other methods, but the domain
> yahoo.com
> > is 95% of received SPAM.
> >
> > Have a Mysql or other method to block email from yahoo.com only in "mx of
> > yahoo.com"??? How to contact the administrator of yahoo.com to set a TXT of
> spf
> > to yahoo.com???
>
> try helo filtering - a lot of yahoo is forged into the helo
>
> then use cbl.abuseat.org (or sbl-xbl.spamhaus.org) to filter email
>
> you wont get to see yahoo email originating only from their MXs - they
> have a rather more well developed network than that
>
> but 99% of the yahoo spam you get will not have originated from yahoo's
> systems or users
>
> callouts are generally something that deserve to die a miserable death,
> and they wont work with yahoo anyway (it runs qmail so the principle
> behind callouts fails)
>
> cbl and helo filtering should help you
>