calibre-smtp(1) on Linux
The text f5b555d86482, as Debian 7 (Wheezy) shipped it.
part of calibre
Flags it lists
-
--attachment -
--encryption-method -
--fork -
--help -
--localhost -
--outbox -
--password -
--port -
--relay -
--subject -
--timeout -
--username -
--verbose -
--version -
-a -
-e -
-f -
-h -
-l -
-o -
-p -
-r -
-s -
-t -
-u -
-v