Otto J. Makela skrev den 2026-10-14 14:26:
On 12/10/2026 19.15, Al Iverson via mailop wrote:
Can you please expand a bit about SPF failures, since AFAIK on a
properly configured mailing list the SMTP "mail from" (aka envelope
sender) of messages sent through it would be to mailing list server,
and naturally you'd include that in your domain's SPF?
SPF domain changes on next hop, always, so basicly dmarc align will not
work for maillist
but it should on direkt to direct mx work, forget all the rest
basicly never reject spf fails, never reject dkim fails, this is a job
for dmarc
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