Mailing lists adapted to spf long back, what hasn’t is the good old .forward and its more modern cousins that ask you to set a forward in email preferences on various webmail sites.
From: mailop <mailop-boun...@mailop.org> on behalf of Laura Atkins via mailop <mailop@mailop.org> Date: Monday, 20 June 2022 at 4:46 AM To: Dave Crocker <d...@dcrocker.net> Cc: mailop@mailop.org <mailop@mailop.org> Subject: Re: [mailop] Microsoft Announces Tenant Trusted ARC Seal I have heard, and in the past made, the “SPF breaks mailing lists” but I stopped saying it because it’s not true in the vast majority of cases. For instance, the 5321.from on this list is boun...@mailop.org<mailto:boun...@mailop.org>. Looking at other lists in my mailbox it’s similar. Mailing lists rewrite the 5321.from and thus does not break SPF. It does break DMARC, but that’s another discussion.
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