Their sheet[1] of affected clients shows Thunderbird as WONTFIX, but that label is on only one of five bugs in bugzilla relating to mailsploit[2], specifically 1423440[3] for which I think the WONTFIX rationale is correct:<p>> There is nothing wrong with having: "Men @ Work" <menatwork@example.com><p>> People use this and complain if it doesn't work, see bug 1359774.<p>1. <a href="https://docs.google.com/spreadsheets/d/1jkb_ZybbAoUA43K902lL-sB7c1HMQ78-fhQ8nowJCQk/htmlview" rel="nofollow">https://docs.google.com/spreadsheets/d/1jkb_ZybbAoUA43K902lL...</a><p>2. <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1423430" rel="nofollow">https://bugzilla.mozilla.org/show_bug.cgi?id=1423430</a><p>3. <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1423440" rel="nofollow">https://bugzilla.mozilla.org/show_bug.cgi?id=1423440</a>