Specifies if this command is valid for the given session state.
@param state The current {@link com.icegreen.greenmail.imap.ImapSessionState state} of the {@link com.icegreen.greenmail.imap.ImapSession}
@return true if the command is valid in this state.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.