On Fri 21/Apr/2023 19:47:09 +0200 Brandon Long via mailop wrote:
This smtp response doesn't match this email message. In any case, both of
these messages did pass authentication, but we chose the wrong error message to
send in response to this one (the other was accepted).
Oops, you're right
This smtp response doesn't match this email message. In any case, both of
these messages did pass authentication, but we chose the wrong error
message to send in response to this one (the other was accepted).
I'll file a bug.
Brandon
On Fri, Apr 21, 2023 at 1:02 AM Alessandro Vesely via mailop <
How long has it been since you changed it? Is it possible Google is caching SPF
for longer periods of time than are in the cache to reduce their overhead?
laura
> On 21 Apr 2023, at 08:53, Alessandro Vesely via mailop
> wrote:
>
> This morning I found this:
>
> 421-4.7.0 This mail is unaut
This morning I found this:
421-4.7.0 This mail is unauthenticated, which poses a security risk to the
421-4.7.0 sender and Gmail users, and has been blocked. The sender must
421-4.7.0 authenticate with at least one of SPF or DKIM. For this message, DKIM
421-4.7.0 checks did not pass and SPF check
