I have forwarded this bug upstream as https://bugzilla.mozilla.org/show_bug.cgi?id=346971.
** Bug watch added: Mozilla Bugzilla #346971 https://bugzilla.mozilla.org/show_bug.cgi?id=346971 ** Also affects: thunderbird (upstream) via https://bugzilla.mozilla.org/show_bug.cgi?id=346971 Importance: Unknown Status: Unknown -- does not recognize upper case extension as image (.JPG) https://launchpad.net/bugs/49033 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs