User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0 when you attach any file with a # symbol in the name, the filename is trucated. i.e. filename=abcde#fghi.txt becomes filename=abcde Reproducible: Always Steps to Reproduce: 1. click on write 2. either drag a file into the email or click on attach file and attach a file with a filename with the # symbol in it. Actual Results: the filename will be shown trucated in both the attachment box and in the source. when you send the email the recipient will also recieve the file with a truncated name. Expected Results: not truncate the file name

*** This bug has been marked as a duplicate of 243504 ***