Conversion to 7BIT required but not supported

[Damian]

Should do it, if this is the only path that goes through James.

> I’m looking into enabling 8BITMIME on James. In the meantime a policy like this should suffice?
>
> #This policy serves to persuade Postfix to convert mail to 7-bit before submitting to Amavis
> $interface_policy{'10021'} = 'DISABLE8BITMIME';
> $policy_bank{'DISABLE8BITMIME'} = {
> smtpd_discard_ehlo_keywords => ['8BITMIME'],  # disable 8BITMIME
> };