Date: Wed, 12 Nov 2025 19:50:53 -0800 From: Cy Schubert <Cy.Schubert@cschubert.com> To: freebsd-hackers@freebsd.org Cc: George Mitchell <george+freebsd@m5p.com> Subject: Re: Touchy subject Message-ID: <20251112195046.660b8411@slippy.cwsent.com> In-Reply-To: <03df617d-8ce5-4d81-bbdb-660e758bf1af@m5p.com>
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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=0help
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