On Wed, Apr 25, 2012 at 09:23, Heiko Schlittermann <[email protected]>wrote:
> Hello, > Hi there! > > we've some clients sending messages to umlaut (UTF8) domains. As far as I > know, > the client is responsible for converting any UTF8 domain into the punycode > form. > > It seems, that there are clients (squirrel mail, thunderbird, …?) not > beeing aware of the problem. > Thunderbird is worse than you expect. It STRIPS any non-ASCII characters from the domainname. If I were to send to e.g. jan@øyet.no, it would be sent to [email protected], no warnings, no error messages. The Thunderbird maintainers simply don't care, and there is nothing you as a mail system admin can do to fix their insanity. mutt 1.4.2.1 and some others send unencoded. Someone bothered to compile a partial list here: http://www.domainnameshop.com/faq.cgi?id=100 > > Are there other or cleaner solutions out there? > Yes, don't permit invalid characters. > Does somebody already do it? > I hope not. :) > Does there an UTF8 capable DNS resolver exist? > I don't think there is an auto-converting DNS resolver, if that is what you mean. -- Jan -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
