Ruby/Network/IMAP

require "net/imap"
class Net::IMAP
  def get_msg_info(msg_sequence_num)
    # code we used above
    fetch_result = fetch(msg_sequence_num, "(UID ENVELOPE)")
    envelope = fetch_result[0].attr["ENVELOPE"]
    uid = fetch_result[0].attr["UID"]
    info = {"UID"     => uid,
            "Date"    => envelope.date,
            "From"    => envelope.from[0].name,
            "To"      => envelope.to[0].name,
            "Subject" => envelope.subject}
  end
end
conn.search(["BEFORE", "01-Jan-2006",
             "SINCE", "01-Jan-2000"]).each do |sequence|
    conn.get_msg_info(sequence).each {|key, val| puts "#{key}: #{val}" }
end