Hi John
> If you don't care enough to publish a valid SPF record, why should
> we think you care whether we deliver your mail?
The customer in question used an ESP to send marketing emails.
That ESP told him what host to include in his SPF record.
Probably some years later, that ESP changed
> IETF specs tell you what to do to interoperate, but deliberately don't
> spend a lot of time saying what to do if other people do it wrong.
>
> If you don't care enough to publish a valid SPF record, why should
> we think you care whether we deliver your mail?
After dealing with this for many
It appears that Benoit Panizzon via mailop said:
>My customer claims an invalid include: renders the whole entry invalid
>causing some service provider to classify such emails as spam.
IETF specs tell you what to do to interoperate, but deliberately don't
spend a lot of time saying what to do if