User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.12) Gecko/20050915 Firefox/1.0.7 (ax) Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.12) Gecko/20050915 Firefox/1.0.7 (ax) Thunderbird incorrectly highlights a URL in test mail, leaving out the last part of the URL and rendering it useless. This occurs when viewing the message. The URL is http://www.bvhd.dk/index.php?id=371&cmd=setfixed&sFK=approve&rU=1308&fD[_FIELDLIST]=uid&fD[hidden]=0&aC=d4176409 and the client only highlights up to http://www.bvhd.dk/index.php?id=371&cmd=setfixed&sFK=approve&rU=1308&fD[_FIELDLIST . Reproducible: Always Steps to Reproduce: 1. Mail self text mail containing above URL 2. Click on incorrectly highlighted text 3. Broken link. Expected Results: The client should highlight the entirity of the URL in the message.

This is covered already by bug 133016. Note that '[' and ']' must be escaped when used in a URL, so the URLs you quote are technically invalid. *** This bug has been marked as a duplicate of 133016 ***