[header] How to send an email at a specific time in the future using mozilla thunderbird [title] Download thunderbird 3.1 + version of the extension. [step] You will need to save it your hard disk and then install it from thunderbird extension manager. [title] Instructions for installing : [substeps] Right click on the link and choose " save link as..." or " save target as...". 
Choose a file path on your hard disk. [ desktop/home folder is fine too].