Development: GVJ Web Sites & Consulting - http://www.viguierjust.com
Owncloud for Filelink makes it easy to send large attachments by uploading those attachments to any Owncloud server and inserting a link to the file into the body of your email.
Owncloud is a popular storage service, and this add-on allows Filelink to make use of it.
ownCloud: 5.0.13 and newer Thunderbird: 13.0 and newer