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#coding=gbk  
 
import smtplib   
 
smtp = smtplib.SMTP()   
smtp.connect("smtp.yeah.net", "25")   
smtp.login('Óû§Ãû', 'ÃÜÂë')   
smtp.sendmail('from@yeah.net', 'to@21cn.com', 'from: from@yeah.net\r\nTo: to@21cn.com\r\nSubject: this is a email from python demo\r\n\r\nJust for test~_~')   
smtp.quit() 
#coding=gbk
import smtplib
smtp = smtplib.SMTP()
smtp.connect("smtp.yeah.net", "25")
smtp.login('Óû§Ãû', 'ÃÜÂë')
smtp.sendmail('from@yeah.net', 'to@21cn.com', 'from: from@yeah.net\r\nTo: to@21cn.com\r\nSubject: this is a email from python demo\r\n\r\nJust for test~_~')
smtp.quit()
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smtplib.SMTP([host[, port[, local_hostname[, timeout]]]])
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SMTP.set_debuglevel(level)
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SMTP.connect([host[, port]])
¡¡¡¡Á¬½Óµ½Ö¸¶¨µÄsmtp·þÎñÆ÷¡£²ÎÊý·Ö±ð±íʾsmptÖ÷»úºÍ¶Ë¿Ú¡£×¢Òâ: Ò²¿ÉÒÔÔÚhost²ÎÊýÖÐÖ¸¶¨¶Ë¿ÚºÅ£¨È磺smpt.yeah.net:25£©£¬ÕâÑù¾Íû±ØÒª¸ø³öport²ÎÊý¡£
SMTP.docmd(cmd[, argstring])
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>>> s.find("O")
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>>> s.find("O",3)
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python udp c/s ¼Ç¼

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import sys
import socket
host = sys.argv[1]
port = int(sys.argv[2])
 
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 
s.bind((host,port))
 
while 1:
    try:
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