On 19/06/2022 00:03, Jaroslaw Rafa via mailop wrote:

this thread (forwarding or mailing lists). That was the main goal of SPF - ensuring that the message isn't fake - and it cannot even fulfill that one
goal properly. Why even use it at all?

I was a very early (even in testing) user of SPF, It's rather commical reading these FUD sayers about SPF and mailing lists, it has never been a problem with mailing lists, not using mailman nor its more common predecessor majordomo, and I've never noticed anything wrong with qmail users ezmlm.

If you have used some half baked concoction that doesn't conform to standards that's not an SPF failure, it's yours. I've enforced and published SPF since get go, I did extensive testing and never found ONE instance of a list problem.

As for forwarding, SPF is only a problem if you dont follow standards and re-write. Nearing two decades of SPF use (forget exactly its been so long) never had a mailing problem sending or receiving with SPF and I've always published hard fail, rarely forward Email, and it seems our customers don't either.

If it was so dooming and earth ending do you really think I'd be using it privately, let alone commercially (a couple top 5 national "end user" ISPs & one with web hosting) for all this time, no, I'm not a masochist.

--
Regards,
Noel Butler

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