additional_message_headers pear.roundcube.net Additional message headers for RoundCube Very simple plugin which will add additional headers to or remove them from outgoing messages. Ziba Scott ziba email@example.org yes 2010-01-16 1.1.0 1.1.0 stable stable New BSD License This is an alpha release, see README.md for examples. 5.2.1 1.7.0