OP_SIDEBAR_PREV "go to previous mailbox"
OP_SIDEBAR_PREV_NEW "go to previous mailbox with new mail"
OP_SIDEBAR_OPEN "open hilighted mailbox"
OP_SIDEBAR_PREV "go to previous mailbox"
OP_SIDEBAR_PREV_NEW "go to previous mailbox with new mail"
OP_SIDEBAR_OPEN "open hilighted mailbox"