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1. Support for internationalized domain name, IDN

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   3 comments  ·  Proton Mail & Calendar » New feature  ·  Delete…  ·  Admin →
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   Mathias Höbinger commented  ·  Sep 24, 2025  ·  Edit…  ·  Delete…

   It is very strange that this is not fully supported.
   The only way to add my international domain was to use the "xn--" ASCII-compatible (punycode) version of the domain. It looks very strange and confusing to my users when they receive or send mails using this domain.

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   Mathias Höbinger supported this idea  ·  Sep 24, 2025