About this Add-on
You can specify a specific time and date, or click "15 mins later", "30 mins later" or "2 hours later", or click "Put in Outbox" to get the built-in Thunderbird "Send Later" functionality (i.e., copy to Outbox).
For additional information, see the user guide.
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Send Later uses SugarJS by Andrew Plummer. Thanks Andrew!
Please email me bug reports, suggestions, etc.
You can now configure Send Later (via its preferences) to schedule all messages which you send with the Send button or Ctrl-Enter to be delayed by a specified number of minutes.
Note that this feature and the "'Send' does 'Send Later'" feature are incompatible so only one of them can be enabled at a time.
The preferences window works in Thunderbird 71+ now.
Some (but perhaps not all) instances of the "Send Later" column showing in folders where it shouldn't have been fixed.
- Source code released under Mozilla Public License, version 2.0