In article <3295240.vh5t8hYAJM@sk-desktop> you write:
>> If you want it to be a domain, the ABNF should say:
>>
>> authserv-id = domain-name
>> This is not strictly backward compatible with the current text, but I
>> don't think I've ever seen an authserv-id which wasn't syntactically a
>> domain name.
>
>I've seen bare host names used. I guess that's syntactically a domain name
>also, but might not be what you expect if you assume it's really a domain
>name. It probably doesn't matter.
I don't see any reason to exclude them. We could do this:
autbserv-id = sub-domain *("." sub-domain)
Where sub-domain is imported from 5321 for ASCII mail and 6531 for EAI mail.
R's,
John
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