python邮件收发SAMPLE

#!/usr/bin/env python
# -*- encoding: utf-8 -*-

import os, socket
from time import localtime, strftime
from smtplib import SMTP

smtp = SMTP()
#smtp.set_debuglevel(debuglevel)
smtp.connect('d.g.g.g', 25)
smtp.login('as', '324')

from_addr = "234<234@f.f>"
to_addr_normal = ["234@f.f","234@f.f"]
to_addr_alert = ["234@f.f","s234@f.fm"]

# Limit in MiB
LIMIT=200000;

#Define current Time as Fri, 04 Mar 2011 08:47:10
TIME = strftime("%d %b %Y", localtime())

SPACE_LEFT=500000 / 1048576
SPACE_TOTAL = 1000000 / 1048576

if (SPACE_LEFT < LIMIT):
    STATUS = "Free Disk Space is ALERT!!!ALERT!!!ALERT!!! "
    SPACE_LEFT=SPACE_LEFT / 1024
    print ( TIME+"\n"+STATUS+"\n"+str(SPACE_LEFT)+" GB left on disk\n"+"Alert Space is:"+str((LIMIT/1024))+"GB")
    subj = "ALERT!!!ALERT!!!ALERT!!!["+str(SPACE_LEFT)+" GB left]Free disk space on wwwcom "+TIME
    message_text = TIME+"\n"+STATUS+"\n"+str(SPACE_LEFT)+" GB left on disk\n"+"Alert Space is:"+str((LIMIT/1024))+"GB"
    msg = "From: %s\nTo: %s\nSubject: %s\nDate: %s\n\n%s" % ( from_addr, to_addr_alert, subj, TIME, message_text )
    smtp.sendmail(from_addr, to_addr_alert, msg)
    smtp.sendmail(from_addr, to_addr_alert, msg)
    smtp.sendmail(from_addr, to_addr_alert, msg)
    smtp.quit()
    print ('Done')

elif (SPACE_LEFT > LIMIT):
        STATUS = "Free Disk Space is OK on "
           SPACE_LEFT=SPACE_LEFT / 1024
        SPACE_TOTAL=SPACE_TOTAL / 1024
        print ( TIME+"\n"+STATUS+"\n"+str(SPACE_LEFT)+" GB left on disk("+str(SPACE_TOTAL)+"GB)\n"+"Alert Space is:"+str((LIMIT/1024))+"GB")
        subj = "["+str(SPACE_LEFT)+" GB left]Free disk space on ww) "+TIME
        message_text = TIME+"\n"+STATUS+"\n"+"Total space is :"+str(SPACE_TOTAL)+"GB\n"+str(SPACE_LEFT)+" GB left on disk\n"+"Alert Space is:"+str((LIMIT/1024))+"GB"
        msg = "From: %s\nTo: %s\nSubject: %s\nDate: %s\n\n%s" % ( from_addr, to_addr_normal, subj, TIME, message_text )
        smtp.sendmail(from_addr, to_addr_normal, msg)
        smtp.quit()
        print ('Done!')

else:
        print ("""
A serius problem detected with the script.
Please check what mount points you monitor and check that they're in the MON_ARRAY aswell.
""" )