This will definitely showcase how many receivers are still rejecting
based on SPF failure by itself.
There's already many threads on Reddit about this from regular consumers
experiencing bounces they don't know what to do with, it's actually
quite sad reading some of them.
- Mark Alley
On 8/18/2023 9:16 AM, Laurent S. via mailop wrote:
Aloha hotmail,
It seems since you recently changed your SPF and switched from ~all to
-all. It would have been great if you didn't remove at the same time
your IPv6 ranges from it.
It seems the include:spf.protection.outlook.com was removed during the
change. You might want to include it back.
We are starting to receive quite a few tickets that our clients suddenly
don't receive some mails from hotmail.com
Best regards,
Laurent
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