Redwood::IMAP.new uri, username, password, nil, !$opts[:unusual], $opts[:archive], nil, labels
when "maildir"
Redwood::Maildir.new uri, nil, !$opts[:unusual], $opts[:archive], nil, labels
when "mbox"
Redwood::MBox::Loader.new uri, nil, !$opts[:unusual], $opts[:archive], nil, labels
Redwood::IMAP.new uri, username, password, nil, !$opts[:unusual], $opts[:archive], nil, labels
when "maildir"
Redwood::Maildir.new uri, nil, !$opts[:unusual], $opts[:archive], nil, labels
when "mbox"
Redwood::MBox::Loader.new uri, nil, !$opts[:unusual], $opts[:archive], nil, labels