It appears that Michael Orlitzky via mailop said:
>This will work, but you probably don't want to make your entire MTA
>inefficient just to appease Google.
Actually, you do, and it's not just Google.
I've seen stats that say that the average number of recipients on
legit mail is about 1.2,
Dnia 30.12.2023 o godz. 22:58:25 Simon Wilson via mailop pisze:
>
> The error message from Google is specifically:
>
> 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail
> originating from your SPF domain [howiesue.net 35]. To protect our
> users from spam, mail sent from
Dnia 30.12.2023 o godz. 15:57:45 Richard Rognlie via mailop pisze:
> I'm not seeing deferrals but some of my users are reporting that they're
> not seeing emails coming from my play by email service. I've double
> checked the logs and gmail is accepting the messages. So anything
> happening to
