Mailgun support.

Signed-off-by: Austin Seipp <aseipp@pobox.com>
More granular email/push control.

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Formatting only

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Logging.

Signed-off-by: Austin Seipp <aseipp@pobox.com>