emailer: run webserver in a different thread
Create a different event loop in a separate thread to run the webserver, so it doesn't block other tasks.
Bug: T379924 Signed-off-by: Arturo Borrero Gonzalez aborrero@wikimedia.org
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Create a different event loop in a separate thread to run the webserver, so it doesn't block other tasks.
Bug: T379924 Signed-off-by: Arturo Borrero Gonzalez aborrero@wikimedia.org