Re: Touchy subject

From: Cy Schubert <Cy.Schubert_at_cschubert.com>
Date: Thu, 13 Nov 2025 03:50:53 UTC 
On Wed, 12 Nov 2025 09:10:42 -0500
George Mitchell <george+freebsd@m5p.com> wrote:

> Please don't reply to the mailing list; email me personally.  In fact,
> I apologize for even raising this subject on a FreeBSD mailing list,
> and I won't bring it up again.
> 
> I'm on the verge of blocking all emails from machines whose reverse
> IPs resolve to googleusercontent.com.  I'm a small enough presence on
> the net that Google won't even notice, but the spam is getting way
> out of hand.
> 
> Is this something anyone else has considered?            -- George

I deny IP sending IP addresses based on SPF. postfix-policyd-spf-perl
implements SPF for postfix. If you're a sendmail user you should look
into the mail/spfmilter port.


-- 
Cheers,
Cy Schubert <Cy.Schubert@cschubert.com>
FreeBSD UNIX:  <cy@FreeBSD.org>   Web:  https://FreeBSD.org
NTP:           <cy@nwtime.org>    Web:  https://nwtime.org

			e**(i*pi)+1=0