Login (-L or -LOGIN)

The Login adapter command (-L or -LOGIN) is used for data sources to supply the method(s) used to gain access to the mailbox. When a Login command is not provided, the default setting is USERPASS. Consult your System Administrator if you are unsure of the method to use. Generally, the method used is USERPASS.

Note: This command is only supported by the internet email transport protocol.
Sends the APOP command as described in RFC 1939 (http://www.ietf.org/rfc/rfc1939.txt).
Sends a plain-text user name and password combination