python发送及接收邮件

:以qq邮箱为例

使用的场景:

(1) 目前用在了重置用户密码

(2) 项目需要发送测试报告到用户邮箱

(3) 之前见过一个用户使用邮件的形式维护linux服务器(服务器端需要接收邮件进行解读)

注意:python3.7及以上会报错,我用的3.6

写代码前要准备的: 

(1) 需要准备一个QQ号,因为要以这个QQ号发送和接受邮件。

(2) 需要这个QQ号邮箱开启SMTP/POP3服务

# 点开会验证,验证完会给个授权码,之后就是通过这个授权码代替用户密码

提醒:直接修改if __main__里的内容即可

发送邮件:

import os
import random
import smtplib
import time
from email.header import Header
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart


class MyEmail(object):

    def __init__(self, sender, receiver, username, password, smtp_server='smtp.qq.com'):
        self.sender = sender
        self.receiver = receiver
        self.username = username
        self.password = password  # 邮箱开启POP3和SMTP服务的授权码
        self.smtp_server = smtp_server

        # 连接服务器
        self.connect_server()

    # 表示一封邮件,需要邮件主题
    def create_email(self, mail_title):
        # 创建一个带附件的实例
        message = MIMEMultipart()
        message['From'] = self.sender
        message['To'] = self.receiver
        message['Subject'] = Header(mail_title, 'utf-8')
        self.message = message

    # 附件内容,如文本文件,图片文件等
    def email_appendix(self, file_path):
        att1 = MIMEText(open(file_path, 'rb').read(), 'base64', 'utf-8')
        # 指定头部信息
        att1["Content-Type"] = 'application/octet-stream'  # 内容为二进制流
        att1["Content-Disposition"] = 'attachment; filename="%s"' % (os.path.basename(file_path))
        self.message.attach(att1)

    def email_text(self, content, content_type='plain'):
        # 邮件正文内容
        # plain正常文本内容,html可以发送html格式内容
        self.message.attach(MIMEText(content, content_type, 'utf-8'))

    def connect_server(self):
        # 连接邮件服务器
        smtpObj = smtplib.SMTP_SSL()
        # 注意:如果遇到发送失败的情况(提示远程主机拒接连接),这里要使用SMTP_SSL方法
        smtpObj.connect(self.smtp_server)
        try:
            # 连接qq邮箱服务器
            smtpObj.login(self.username, self.password)
            # 给qq邮箱发送用户名和授权码,进行验证,如果账号没有授权会返回smtplib.SMTPAuthenticationError
        except smtplib.SMTPAuthenticationError:
            print('请检查用户名和授权码是否添加正确!')
            return
        else:
            self.smtpObj = smtpObj

    def send_mail(self):
        self.smtpObj.sendmail(self.sender, self.receiver, self.message.as_string())  # 发送一封邮件
        print("邮件发送成功!!!")

    def __del__(self):
        self.smtpObj.close()
        # self.smtpObj.quit()


t = ['乌鸦坐飞机', '邪恶在山顶', '双龙探珠', '螳螂拳', '蛇足拳', '水莲飘', ' 无相招', '佛朗明哥招', '飞天拳', ' 猫脚落地', ' 熊掌出击', ' 猫甩水', ' 猫转身']

if __name__ == '__main__':
    obj = MyEmail(sender='123456@qq.com', receiver='456789@qq.com', username='123456', password='pop3生成得密码')
    for i in range(10):
   # 创建邮件,及设置标题
        obj.create_email('来自zezhou的轰炸消息')
        # 添加邮件内容
        obj.email_text(random.choice(t))
        # 添加附件,如图片或者文件啥的,需要文件的路径
        # obj.email_appendix('suolong.jpg')
        # 发送邮件
        obj.send_mail()
        time.sleep(0.5)
    else:
        obj.create_email('boom~')
        obj.email_text('boom boom boom')
        obj.send_mail() 

  

效果:

发送邮件需要注意的:

# 如果想要发送html格式的内容

 

 

 # 发送的html格式的内容,只会留body标签中的内容(且不包含script标签)

接受邮件:

import poplib
import base64
import time
from email.parser import Parser
# 用来解析邮件主题
from email.header import decode_header
# 用来解析邮件来源
from email.utils import parseaddr


class AcceptEmail(object):

    def __init__(self, user_email, password, pop3_server='pop.qq.com'):
        self.user_email = user_email
        self.password = password
        self.pop3_server = pop3_server

        self.connect_email_server()

    def connect_email_server(self):
        self.server = poplib.POP3(self.pop3_server)
        # 打印POP3服务器的欢迎文字,验证是否正确连接到了邮件服务器
        # print('连接成功 -- ', self.server.getwelcome().decode('utf8'))
        # +OK QQMail POP3 Server v1.0 Service Ready(QQMail v2.0)

        # 开始进行身份验证
        self.server.user(self.user_email)
        self.server.pass_(self.password)

    def __del__(self):
        # 关闭与服务器的连接,释放资源
        self.server.close()

    def get_email_count(self):
        # 返回邮件总数目和占用服务器的空间大小(字节数), 通过stat()方法即可
        email_num, email_size = self.server.stat()
        # print("消息的数量: {0}, 消息的总大小: {1}".format(email_num, email_size))
        return email_num

    def receive_email_info(self, now_count=None):
        # 返回邮件总数目和占用服务器的空间大小(字节数), 通过stat()方法即可
        email_num, email_size = self.server.stat()
        # print("消息的数量: {0}, 消息的总大小: {1}".format(email_num, email_size))
        self.email_count = email_num
        self.email_sumsize = email_size

        # 使用list()返回所有邮件的编号,默认为字节类型的串
        rsp, msg_list, rsp_siz = self.server.list()
        # print(msg_list, '邮件数量',len(msg_list))
        # print("服务器的响应: {0},
消息列表: {1},
返回消息的大小: {2}".format(rsp, msg_list, rsp_siz))
        # print('邮件总数: {}'.format(len(msg_list)))
        self.response_status = rsp
        self.response_size = rsp_siz

        # 下面获取最新的一封邮件,某个邮件下标(1开始算)
        # total_mail_numbers = len(msg_list)

        # 动态取消息
        total_mail_numbers = now_count

        rsp, msglines, msgsiz = self.server.retr(total_mail_numbers)
        # rsp, msglines, msgsiz = self.server.retr(1)
        # print("服务器的响应: {0},
原始邮件内容: {1},
该封邮件所占字节大小: {2}".format(rsp, msglines, msgsiz))

        # 从邮件原内容中解析
        msg_content = b'
'.join(msglines).decode('gbk')
        msg = Parser().parsestr(text=msg_content)
        self.msg = msg
        # print('解码后的邮件信息:
{}'.format(msg))

    def recv(self, now_count=None):
        self.receive_email_info(now_count)
        self.parser()

    def get_email_title(self):
        subject = self.msg['Subject']
        value, charset = decode_header(subject)[0]
        if charset:
            value = value.decode(charset)
        # print('邮件主题: {0}'.format(value))
        self.email_title = value

    def get_sender_info(self):
        hdr, addr = parseaddr(self.msg['From'])
        # name 发送人邮箱名称, addr 发送人邮箱地址
        name, charset = decode_header(hdr)[0]
        if charset:
            name = name.decode(charset)
        self.sender_qq_name = name
        self.sender_qq_email = addr
        # print('发送人邮箱名称: {0},发送人邮箱地址: {1}'.format(name, addr))

    def get_email_content(self):
        content = self.msg.get_payload()
        # 文本信息
        content_charset = content[0].get_content_charset()  # 获取编码格式
        text = content[0].as_string().split('base64')[-1]
        text_content = base64.b64decode(text).decode(content_charset)  # base64解码
        self.email_content = text_content
        # print('邮件内容: {0}'.format(text_content))

        # 添加了HTML代码的信息
        content_charset = content[1].get_content_charset()
        text = content[1].as_string().split('base64')[-1]
        # html_content = base64.b64decode(text).decode(content_charset)

        # print('文本信息: {0}
添加了HTML代码的信息: {1}'.format(text_content, html_content))

    def parser(self):
        self.get_email_title()
        self.get_sender_info()
        self.get_email_content()


def get_new_mail(dic, second=5):
    t = AcceptEmail(**dic)
    now_count = t.get_email_count()
    print('开启的时候的邮件数量为:%s' % now_count)
    # 每次需要重新连接邮箱服务器,才能获取到最新的消息
    # 默认每隔5秒看一次是否有新内容
    while True:
        obj = AcceptEmail(**dic)
        count = obj.get_email_count()
        if count > now_count:
            new_mail_count = count - now_count
            print('有新的邮件数量:%s' % new_mail_count)
            for i in range(1, new_mail_count + 1):
                obj = AcceptEmail(**dic)
                now_count += 1
                obj.recv(now_count)

                yield {"title": obj.email_title, "sender": obj.sender_qq_name, "sender_email": obj.sender_qq_email,
                       "email_content": obj.email_content}
                # print('-' * 30)
                # print("邮件主题:%s
发件人:%s
发件人邮箱:%s
邮件内容:%s" % (
                #     obj.email_title, obj.sender_qq_name, obj.sender_qq_email, obj.email_content))
                # print('-' * 30)

        # else:
        #     print('没有任何新消息.')

        time.sleep(second)


if __name__ == '__main__':
    dic = {
        'user_email': 'xxx@qq.com',
        'password': 'xxx',
    }
    print('正在监听邮件服务器端是否有新消息---')
    try:
        iterator = get_new_mail(dic)
    except TypeError:
        print('监听的内容有误,有图片数据等,无法解析而报错,不是纯文本内容')
    else:
        for dic in iterator:
            # 如果需要过滤某个用户的邮件内容,加个if判断是否是该邮箱即可
            # if dic.get("sender_email") == 'xxx':
            print('-' * 30)
            print("邮件主题:%s
发件人:%s
发件人邮箱:%s
邮件内容:%s" % (
                dic["title"], dic["sender"], dic["sender_email"], dic["email_content"]))
            print('-' * 30)

 过程中遇到的问题:

1.认证问题

解决方法:

在自己的QQ邮箱开启POP3和SMTP服务,得到授权码,填写正确的信息,重新进行认证。

原文地址:https://www.cnblogs.com/zezhou/p/11273046.html