这里是以163邮件为例
```python
#! /usr/bin/env python
# coding=utf-8
"""
example: python3 send_mail.py
"""
from email.mime.text import MIMEText
from email.header import Header
import smtplib
from email.utils import parseaddr, formataddr
def __format_addr(k):
name, addr = parseaddr(k)
return formataddr((Header(name, 'utf-8').encode(), addr))
def send_mail():
# 163邮箱smtp服务器
wy_server = 'smtp.163.com'
# sender_163为发件人的163号码
sender_163 = 'xxx'
# pwd为163邮箱的授权码
pwd = 'WPBXNAGFNDWHGDXGFS'
# 发件人的邮箱
sender_163_mail = 'xxx3@163.com'
# 收件人邮箱
receivers = ['xxx1@126.com','xxx2@163.com']
# 邮件的正文内容
mail_content = '你好，这是使用python登录163邮箱发邮件的测试'
# 邮件标题
mail_title = 'mike的邮件'
try:
# ssl登录
smtp = smtplib.SMTP_SSL(wy_server)
# set_debuglevel()是用来调试的。参数值为1表示开启调试模式，参数值为0关闭调试模式
smtp.set_debuglevel(0)
smtp.ehlo(wy_server)
smtp.login(sender_163, pwd)
msg = MIMEText(mail_content, "plain", 'utf-8')
msg["Subject"] = Header(mail_title, 'utf-8').encode()
msg["From"] = __format_addr(sender_163_mail)
msg["To"] = __format_addr(receivers)
smtp.sendmail(sender_163_mail, receivers, msg.as_string())
smtp.quit()
return "success"
except smtplib.SMTP_SSLException as e:
return "error"
if __name__ == "__main__":
print(send_mail())