On Mon, Feb 17, 2020 at 2:45 PM Luis E. Muñoz via mailop <mailop@mailop.org> wrote:
> Unfortunately, we are operating in a world where legitimate forwarding > is far outweighed by spoofed email and SPF is a response to that. If > forwarding is expected, cooperating mail systems can make arrangements > – i.e., ARC is an attempt to do this at a larger scale – but this > is part of the consensual aspect of email transmission. > > As for SPF-breaking mailing lists, this is likely a self-correcting > problem. ARC would also help with this use case. > > One could state facts – i.e., pointing out that SPF will break > straight forwarding and mailing lists that do not rewrite – without > introducing judgement. Luis is right. SPF is broadly used and in the operational context people need better guidance than "run away." Cheers, Al Iverson -- al iverson // wombatmail // chicago dns tools are cool! https://xnnd.com _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
