Python3邮件发送简易版

import smtplib
from email.mime.text import MIMEText
from email.header import Header

global smtplibobj

def init(host,port,user,password):
    global smtplibobj
    smtplibobj = smtplib.SMTP_SSL(host=host,port=port)
    smtplibobj.set_debuglevel(1)
    smtplibobj.ehlo()
    smtplibobj.login(user=user,password=password)

def quit():
    global smtplibobj
    smtplibobj.quit()

def sendmail(host,port,user,password,from_addr,to_addr,cc_addr,msg):
    global smtplibobj
    init(host=host,port=port,user=user,password=password)
    try:
        smtplibobj.sendmail(from_addr=from_addr, to_addrs=to_addr.split(",") + cc_addr.split(","), msg=msg)
        print("邮件发送成功！")
    except smtplib.SMTPException:
        print("Error：邮件发送失败！")
    quit()

def setcontext(from_addr,to_addr,cc_addr,subject,context):
    msg = MIMEText(context, "plain", "utf-8")
    msg['From'] = Header(from_addr, "utf-8")
    msg['To'] = Header(to_addr, "utf-8")
    msg['Subject'] = Header(subject, "utf-8")
    msg['Cc'] = Header(cc_addr,"utf-8")
   # print(msg)
    return msg.as_string()

if __name__ == '__main__':
    host = "xx.xx.xx"
    port =  xx
    user = "xxx"
    password = "xxx"
    from_addr = "xxx"
    to_addr = "xxx"
    cc_addr = "xxx"
    msg = setcontext(from_addr=from_addr,to_addr=to_addr,cc_addr=cc_addr,subject="Test",context="忽略此邮件...")
    sendmail(host=host,port=port,user=user,password=password,from_addr=from_addr,to_addr=to_addr,cc_addr=cc_addr,msg=msg)