import imaplib, re
 
# --- SETTINGS
 
SERVER = "127.0.0.1"
PORT   = 143
USER   = "mail@box"
PASSW  = "..."
 
# ---
 
unreadCount = 0
 
def connect():
        global unreadCount
        conn = imaplib.IMAP4(SERVER, PORT)
        conn.login(USER, PASSW)
        conn.select('INBOX', readonly=True)
        unreadCount = re.search("UNSEEN (\d+)", conn.status("INBOX", "(UNSEEN)")[1][0]).group(1)
        conn.close()
        conn.logout()
 
def trigger(status):
        f = open('/sys/class/leds/alix:3/trigger', 'w')
        if status == 1:
                f.write('timer')
                f.close()
                f = open('/sys/class/leds/alix:3/delay_on', 'w')
                f.write('1000')
                f.close()
                f = open('/sys/class/leds/alix:3/delay_off', 'w')
                f.write('3000')
                f.close()
        else:
                f.write('none')
        f.close()
 
trigger(0)
connect()
 
if int(unreadCount) > 0:
        trigger(1)