User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.1.5) Gecko/20091204 Thunderbird/3.0 accounts with IDN are unusable Reproducible: Always Steps to Reproduce: 1. create account named test@xn--fnrd-6qa.de 2. restart thunderbird Actual Results: account name is empty, unusable, uneditable Expected Results: account name displayed as test@fnörd.de; usable, editable ;) when network.IDN_show_punycode is true then the account is usable again, but displayed with ... punycode instead of the correct umlaut. emailing to test@fnörd.de is not possible, because its not decoded to punycode. incoming mails are displayed in punycode and not encoded to umlauts.

(btw this was working in thunderbird 2.0.0.23!)

(In reply to comment #1) > (btw this was working in thunderbird 2.0.0.23!) I'm pretty sure it didn't.