User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.0.3705) Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 e.g. paddy.o'toole@example.com highlights 'toole@example.com'. Don't ask me what possessed the people in question to put an apostrophe in an email address, but reading RFC822 and friends suggests it's legal... Reproducible: Always Steps to Reproduce: Expected Results: This is a good question, because I imagine people type in 'x@y.z' and expect the quotes to be ignored. So, I don't really know.

*** This bug has been marked as a duplicate of 119963 ***