1.说明

最近阿里云基于安全考虑，默认情况下禁用了25端口，如果要开放25端口需要提交工单解封。所以如果想要发送邮件，则需要通过ssl的465端口发送，详细请查看阿里云官网的说明：https://help.aliyun.com/knowledge_detail/40724.htmlhttp://www.cndba.cn/Expect-le/article/3119http://www.cndba.cn/Expect-le/article/3119

下面以python为例：

# -*- coding: UTF-8 -*-

import smtplib
from email.mime.text import MIMEText

mail_host="smtp.exmail.qq.com"  #设置服务器
mail_user="test@qq.com"    #用户名
mail_pass="testpasswd"   #口令
mail_postfix="test.com"  #发件箱的后缀

def send_mail(to_list,sub,content):
    me="test"+"<"+mail_user+"@"+mail_postfix+">"
    msg = MIMEText(content,'html',_charset='utf-8')
    msg['Subject'] = sub
    msg['From'] = me
    msg['To'] = ','.join(to_list)
    # try:
    server = smtplib.SMTP_SSL()  --原来为smtplib.SMTP()
    server.connect(mail_host,465)  --原来默认为25端口
    server.login(mail_user,mail_pass)
    server.sendmail(me, to_list, msg.as_string())
    server.close()
    return True
    # except Exception, e:
    #     print str(e)
    #     return False
if __name__ == '__main__':
    to_list = ['test@qq.com']
    send_mail(to_list,'test','test')

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阿里云 python 邮件