> authserv-id = sub-domain *("." sub-domain)
> ; Where sub-domain is imported from 5321 for
> ; ASCII mail and 6531 for EAI mail
> As a close approximation, any message which has an x80 bit set in a
> character in the header is an EAI message.
As the authserv-id is part of the header, this boils down to:
"If the authserv-id is UTF-8, then it might be UTF-8"
This seems equivalent to
> authserv-id = sub-domain *("." sub-domain)
> ; Where sub-domain is imported from 6531 for
> ; any mail
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