Automatically Remove Old Mail In Mozilla Thunderbird
This article explains how to remove old mail from a folder or an entire account automatically in Mozilla Thunderbird 68 or higher on Windows 10, 8, or 7; Mac OS X 10.9 or higher; and GNU/LINUX. What to Know For one folder, go to Folder Properties > Retention Policy > Delete messages more than __ days old > enter time > OK.For an entire account, go to Preferences > Account Settings > Delete all but the most recent __ messages > enter number > OK....