-y\t\tselect a mailbox specified in your `mailboxes' list\n\
-z\t\texit immediately if there are no messages in the mailbox\n\
-Z\t\topen the first folder with new message, exit immediately if none\n\
-y\t\tselect a mailbox specified in your `mailboxes' list\n\
-z\t\texit immediately if there are no messages in the mailbox\n\
-Z\t\topen the first folder with new message, exit immediately if none\n\