Hello, just joining in thread, to see if sending mail to list from my domain (having "mx -all" in SPF and having DKIM and DMARC configured to my knowlage) will result in any mails from forwarded mails. On 30 December 2022 11:29:34 CET, Jaron KentDobias <jaron@xxxxxxxxxxxxxxx> wrote: >I used to have problems using a DMARC hard fail (-all) with some forwarders who break DKIM or fail to implement their own valid SPF (note the "+ domain.tld" SPF records), so I switched to soft fail (~all) to prevent this. Universities tend to be very bad in this regard..
