Bug 854097 - [email/IMAP] Saving sent mail to 'sent' folder on servers that don't support MULTIAPPEND regressed by bug 814257. r=asuth
Merge pull request #8777 from asutherland/email-fix-imap-append

Bug 854097 - [email/IMAP] Saving sent mail to 'sent' folder on servers that don't support MULTIAPPEND regressed by bug 814257. r=asuth