On Tuesday 20 August 2019 11:43:04 CEST, Dmitry Belyavsky wrote:
> Well, there is a contradiction between the standards and UX.
> User should be able to see the domain name and hardly can
> distinguish 'xn--foo' and 'xn--bar' values.
> So I strongly prefer to show both variants for IDN names.
The standards don't require using xn--foo in any user-visible location (or
indeed anywhere in the mail message, user-visible or not), so where would
the contradiction be?
Sorry, I may be wrong and do not exactly understand what standard you refer to.
Common sense suggests that
1. We have to provide a human-readable representation to the user and
2. make him know that the name is IDN in fact.