https://bugzilla.mozilla.org/show_bug.cgi?id=434054#c9 mentions to change these 3 settings to overcome the problem:
mail.imap.fetch_by_chunks -> false mail.server.default.fetch_by_chunks -> false mail.server.default.mime_parts_on_demand -> false ** Bug watch added: Mozilla Bugzilla #434054 https://bugzilla.mozilla.org/show_bug.cgi?id=434054 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/220991 Title: Thunderbird corrupts attachments from IMAP exchange server -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
