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Re: [Tools-discuss] Can't send mail to Cenk (Fwd: Undelivered Mail Returned to Sender)

John Levine <johnl@taugh.com> Sat, 12 December 2020 02:43 UTC

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From: John Levine <johnl@taugh.com>
To: tools-discuss@ietf.org
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Subject: Re: [Tools-discuss] Can't send mail to Cenk (Fwd: Undelivered Mail Returned to Sender)
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In article <87mtykf3ln.fsf@gundogan.net> you write:
>>> For small personal domains, DMARC policies other than p=none cause lots of problems and solve none.  If your name were Paypal, the advice would be different.
>
>I'll think about this.  If this is what it takes to improve the user
>experience of my correspondences, I might adopt that (: I'd prefer this
>over allowlisting the earlier mentioned IPs.

I'd suggest adjusting your mail filtering so the SPF result is used as
part of a spam score rather than just yes/no. In particular, as we
have seen rejecting mail becuase of SPF -all has a very high false
positive rate.

R's,
John

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