Same problem here, with filenames containing accents. Appeared after upgrade to Feisty.
Solution is to change a Thunderbird setting:
http://kb.mozillazine.org/Attachments_renamed
Same problem here, with filenames containing accents. Appeared after upgrade to Feisty.
Solution is to change a Thunderbird setting:
http:// kb.mozillazine. org/Attachments _renamed