[Tickets #12737] For idn-adresses (umlaut-domains) the punny-code address should be used to create GPG keys

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Ticket URL: http://bugs.horde.org/ticket/12737
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  Ticket             | 12737
  Created By         | peter.meier+horde at immerda.ch
  Summary            | For idn-adresses (umlaut-domains) the punny-code
                     | address should be used to create GPG keys
  Queue              | IMP
  Version            | 6.1.4
  Type               | Bug
  State              | Unconfirmed
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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peter.meier+horde at immerda.ch (2013-10-06 13:52) wrote:

If I have an address with an idn-domain (umlaut domain) and I'm trying  
to create a GPG key, Horde is proposing the idn-domain as an  
emailadress for the key. However, GPG can't use such addresses and  
requires the punny-code domain. Therefore, creating a key fails with  
the message: ""Error when parsing dot-atom.""
If one puts the punny-code domain into the address field for the new  
key, everything works fine.

So either Horde should propose the punny-code address as the e-mail  
address for the gpg-key, or transparently translate from the  
idn-address to the punny-code address while passing things down to gpg.