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Re: {OT] Mailing lists etc for postmasters

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Hi,

On Fri, Mar 01, 2024 at 01:42:07AM +0000, Gareth Evans wrote:
> I have somehow only just discovered that Gmail, Apple and Yahoo
> are introducing, or have recently introduced, DMARC requirements
> for senders.

Just for the record, the Authentication part of DMARC is done with
SPF and/or DKIM; the large mailbox providers actually (since 1 Feb)
require *either* SPF *or* DKIM passes, or both if you are a bulk
sender (thousands of mails per day).

DMARC itself remains optional (but recommended) and once taken
separately from SPF and DKIM is mainly a reporting mechanism.

> I am subscribed to mailop (though don't read it as often as I
> should!) but from a mail search there doesn't seem to have been
> anything there about this recently.

This has been discussed at length on mailop since well back in 2023.

Thanks,
Andy

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https://bitfolk.com/ -- No-nonsense VPS hosting

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Thread

{OT] Mailing lists etc for postmasters "Gareth Evans" <donotspam@fastmail.fm> - 2024-03-01 02:50 +0100
  Re: {OT] Mailing lists etc for postmasters <tomas@tuxteam.de> - 2024-03-01 06:50 +0100
    Re: {OT] Mailing lists etc for postmasters Michael Grant <mgrant@grant.org> - 2024-03-01 09:30 +0100
      Re: {OT] Mailing lists etc for postmasters tomas@tuxteam.de - 2024-03-01 09:50 +0100
  Re: {OT] Mailing lists etc for postmasters Marco Moock <mm@dorfdsl.de> - 2024-03-01 09:30 +0100
  Re: {OT] Mailing lists etc for postmasters Andy Smith <andy@strugglers.net> - 2024-03-01 10:20 +0100
    Re: {OT] Mailing lists etc for postmasters "Gareth Evans" <donotspam@fastmail.fm> - 2024-03-01 12:10 +0100
      Re: {OT] Mailing lists etc for postmasters Andy Smith <andy@strugglers.net> - 2024-03-01 12:20 +0100
        Re: {OT] Mailing lists etc for postmasters "Gareth Evans" <donotspam@fastmail.fm> - 2024-03-01 12:30 +0100
      Re: {OT] Mailing lists etc for postmasters "Gareth Evans" <donotspam@fastmail.fm> - 2024-03-01 12:20 +0100

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