On 10/6/19 2:18 PM, Arnt Gulbrandsen wrote:
I can't find any justification at all for ever using the UTF-8 form
of an IDN in EHLO. IMO it should be a MUST NOT.
It is a MUST NOT.
IMO it also is a bug magnet, and it's best to step out of its way by
using all-ASCII server names both in EHLO and in Received fields. I
might be wrong, of course.
Well, for what it's worth, I agree with you.
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