The "alerts" command:
Usage: fossil alerts SUBCOMMAND ARGS...
pending Show all pending alerts. Useful for debugging.
reset Hard reset of all email notification tables
in the repository. This erases all subscription
information. ** Use with extreme care **
send Compose and send pending email alerts.
Some installations may want to do this via
a cron-job to make sure alerts are sent
in a timely manner.
--digest Send digests
--test Write to standard output
settings [NAME VALUE] With no arguments, list all email settings.
Or change the value of a single email setting.
status Report on the status of the email alert
subscribers [PATTERN] List all subscribers matching PATTERN.
test-message TO [OPTS] Send a single email message using whatever
email sending mechanism is currently configured.
Use this for testing the email notification
unsubscribe EMAIL Remove a single subscriber with the given EMAIL.