Hi. On Tuesday 15 April 2008, Jesper Langkjær wrote: > Hi.. > > I've live i Denmark and pretty funny letters like (æøå ÆØÅ) > And now when you can have this i your domain name we have som problem > with courier-0.56.0-1.6. > When we try to send mail to ex. permatæt.dk we get an "#5.0.0 smtp; 501 Bad > address syntax" > > Are ther anything we can do about that ?
As far as I know the IDN specs, all server applications should never been bugged with IDN domain names. Clients should do the punycode conversion offline and then only use the xn--foobar-...-version in SMTP dialog. Quote from http://tools.ietf.org/html/rfc3490#section-6 about the communication of the client program to the server: | ACE unless the protocol is updated to handle other encodings But hey, IMO it's a *really* bad idea to use IDN for e-mail at all. In practice, nearly noone does only provide his webpage via IDN because people with non-native keyboards will not be able to call the address. Concerning e-mail, this is even worse, I think. There aren't many client programs out there that can handle IDN addresses and it breaks the allowed characters for header fields as described in RFC 2822. regards, Bernd -- There are only two things wrong with C++: The initial concept and the implementation. - Bertrand Meyer
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