Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-14 Thread Marcel Becker via mailop
On Fri, Jul 14, 2023 at 8:54 AM Larry Smith via mailop wrote: > Hmmm, so are these simply connections this filter is blocking > or verifiable (high probability of spam source) spam connections? > Spam. Of course. > From the conversation it seems mom and pop's are the ones losing > "seems" i

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-14 Thread Larry Smith via mailop
On Fri July 14 2023 09:26, Marcel Becker via mailop wrote: > On Fri, Jul 14, 2023 at 12:46 AM Thomas Mechtersheimer via mailop < > > mailop@mailop.org> wrote: > > Do you have any numbers that suggest that this specific method does > > filter a significant amount of spam which other filters would no

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-14 Thread Grant Taylor via mailop
On 7/14/23 9:26 AM, Marcel Becker via mailop wrote: Yes, of course. We wouldn't do it otherwise. It's billions. And it kept getting worse. Can ~> will you share any rough (as in order of magnitude / log10) numbers? -- If so, please do. One of the things that I find so confusing about this

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-14 Thread Marcel Becker via mailop
On Fri, Jul 14, 2023 at 12:46 AM Thomas Mechtersheimer via mailop < mailop@mailop.org> wrote: > > Do you have any numbers that suggest that this specific method does filter > a significant amount of spam which other filters would not recognise? > Yes, of course. We wouldn't do it otherwise. It's

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-14 Thread Richard Clayton via mailop
In message <56b83491-6441-4d1e-a3ef-008da3311...@slavino.sk>, Slavko via mailop writes >When spammers are able to create proper DNS records directly used >in email authentification, what problem will be the SOA record for them? In order to have a domain with an SOA record they have to purchase a

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-14 Thread Slavko via mailop
Dňa 14. júla 2023 7:16:43 UTC používateľ Thomas Mechtersheimer via mailop napísal: >I guess he means filtering based solely on the existance of a SOA record. Of course, that is what this thread about... Thanks to clarify behind me ;-) >Do you have any numbers that suggest that this specific me

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-14 Thread Thomas Mechtersheimer via mailop
On Thu, Jul 13, 2023 at 11:31:48AM -0700, Marcel Becker via mailop wrote: > On Thu, Jul 13, 2023 at 11:19 AM Slavko via mailop > wrote: > > Would not be more effective to not use technique prone to false > > positives? For both sides... > > So you mean not trying to filter spam or fight spammers

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-13 Thread Marcel Becker via mailop
On Thu, Jul 13, 2023 at 11:19 AM Slavko via mailop wrote: > > Would not be more effective to not use technique prone to false > positives? For both sides... > So you mean not trying to filter spam or fight spammers at all? I have not seen a solution which doesn't produce false positives. ___

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-13 Thread Slavko via mailop
Dňa 13. júla 2023 17:41:51 UTC používateľ Marcel Becker via mailop napísal: >On Thu, Jul 13, 2023 at 10:35 AM Robert L Mathews via mailop < >mailop@mailop.org> wrote: > > >> I still think this is a check that's prone to false positives >> > >Or other issues. Yes. That's why we are also helping wh

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-13 Thread Marcel Becker via mailop
On Thu, Jul 13, 2023 at 10:35 AM Robert L Mathews via mailop < mailop@mailop.org> wrote: > I still think this is a check that's prone to false positives > Or other issues. Yes. That's why we are also helping where we can when folks reach out to us. -- Marcel

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-13 Thread Marcel Becker via mailop
On Thu, Jul 13, 2023 at 9:00 AM Bill Cole via mailop wrote: > > It is worth noting that this is in no way a "standard" or even a > widely-known "best practice" > Nobody has claimed that. ___ mailop mailing list mailop@mailop.org https://list.mailop.org

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-13 Thread Bill Cole via mailop
On 2023-07-13 at 10:15:27 UTC-0400 (Thu, 13 Jul 2023 07:15:27 -0700) Marcel Becker via mailop is rumored to have said: No. I might as well reveal the actual domain names involved, since it's not particularly secret: it's "westfir.or.us" and "ci.westfir.or.us". It's actually not that compl

Re: [mailop] [E] Re: AOL/Yahoo requiring SOA record for MAIL FROM domain name?

2023-07-13 Thread Marcel Becker via mailop
> > > No. I might as well reveal the actual domain names involved, since it's > not particularly secret: it's "westfir.or.us" and "ci.westfir.or.us". > > It's actually not that complicated. We want to see an SOA record for either the domain OR the organizational domain. We use the PSL to determine