发送普通的文字邮件

import smtplib
from smtplib import SMTP_SSL
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.header import Header

host_server = 'smtp.qq.com' #sina邮箱smtp服务器
sender_qq = '[email protected]'  # sender_qq为发件人的邮箱
pwd = 'xxxxx' # pwd为第三方邮箱的授权码

sender_qq_mail = '[email protected]'  # 发件人的邮箱
receiver = '[email protected]' # 收件人的邮箱

mail_title = 'python自动化的测试邮件' #邮件的标题
mail_content = ' 您好，这是一封使用python自动发出的第二份测试邮件'  #邮件的正文内容


msg = MIMEMultipart()# 邮件的主体
msg['Subject'] = Header(mail_title,'utf-8')
msg['From'] = sender_qq_mail
msg['To'] = Header('测试邮箱','utf-8')
msg.attach(MIMEText(mail_content,'plain','utf-8'))  # 邮件正文内容

smtp = SMTP_SSL(host_server)  # ssl登录
smtp.login(sender_qq,pwd)
smtp.sendmail(sender_qq_mail,receiver,msg.as_string())
smtp.quit()