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Sync On Arrival 1.3 Requires Restart
by Michael Buschbeck
Downloads new message headers (and bodies, if configured) immediately when Thunderbird detects new messages in an IMAP folder - that's more or less what the "download_on_biff" preference promises to do, but somehow fails to deliver...
![[Warning]](https://addons-stage.thunderbird.net/static/img/developers/test-warning.png?b=f7f5719b-69bc56b1)
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About this Add-on
Downloads new message headers (and bodies, if configured) immediately when Thunderbird detects new messages in an IMAP folder - that's more or less what the "download_on_biff" preference promises to do, but somehow fails to deliver. Normally, Thunderbird won't download message headers (let alone bodies) until the folder they're in is opened.
As an additional benefit, this keeps Saved Search folders up-to-date in IMAP accounts even if "search online" isn't checked. Very handy if you have a Saved Search configured to show all of your unread email.
As an additional benefit, this keeps Saved Search folders up-to-date in IMAP accounts even if "search online" isn't checked. Very handy if you have a Saved Search configured to show all of your unread email.
