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Python代码实现发送邮件,使用的模块是smtplib、MIMEText,实现代码之前需要导入包:

import smtplib
from email.mime.text import MIMEText

使用163邮件发送邮件,具体代码实现如下:

import smtplib
from email.mime.text import MIMEText
\'\'\'
发送邮件函数,默认使用163smtp
:param mail_host: 邮箱服务器,16邮箱host: smtp.163.com
:param port: 端口号,163邮箱的默认端口是 25
:param username: 邮箱账号 xx@163.com
:param passwd: 邮箱密码(不是邮箱的登录密码,是邮箱的授权码)
:param recv: 邮箱接收人地址,多个账号以逗号隔开
:param title: 邮件标题
:param content: 邮件内容
:return:
\'\'\'

def send_mail(username, passwd, recv, title, content, mail_host=\'smtp.163.com\', port=25):
    msg = MIMEText(content)    # 邮件内容
    msg[\'Subject\'] = title     # 邮件主题
    msg[\'From\'] = username     # 发送者账号
    msg[\'To\'] = recv           # 接收者账号列表
    smtp = smtplib.SMTP(mail_host, port=port)      # 连接邮箱,传入邮箱地址,和端口号,smtp的端口号是25
    smtp.login(username, passwd)                   # 登录发送者的邮箱账号,密码
    # 参数分别是 发送者,接收者,第三个是把上面的发送邮件的 内容变成字符串
    smtp.sendmail(username, recv, msg.as_string())
    smtp.quit()  # 发送完毕后退出smtp
    print(\'email send success.\')

if __name__ == \'__main__\':
    email_user = \'xxxx@163.com\'  # 发送者账号
    email_pwd = \'xxxxx\'  # 发送者密码,授权码
    maillist = \'xxxx@qq.com\'
    title = \'测试邮件标题\'
    content = \'这里是邮件内容\'
    send_mail(email_user, email_pwd, maillist, title, content)

163邮箱的授权码获取方法如下:

1. 登录163邮箱,点击设置-POP3/SMTP/IMAP,如下:

2. 开启SMTP服务且可以查询SMTP的host地址:

3. 点击客户端授权密码,可以重置授权码:

使用QQ邮件发送邮件,具体代码实现如下:

import smtplib
from email.mime.text import MIMEText
\'\'\'
发送邮件函数,默认使用163smtp
:param mail_host: 邮箱服务器,qq邮箱host:  smtp.qq.com
:param port: 端口号,qq邮箱的默认端口是: 456
:param username: 邮箱账号 xx@163.com
:param passwd: 邮箱密码(不是邮箱的登录密码,是邮箱的授权码)
:param recv: 邮箱接收人地址,多个账号以逗号隔开
:param title: 邮件标题
:param content: 邮件内容
:return:
\'\'\'
#qq邮箱发送邮件
def send_mail(username, passwd, recv, title, content, mail_host=\'smtp.qq.com\', port=456):
    msg = MIMEText(content)    # 邮件内容
    msg[\'Subject\'] = title     # 邮件主题
    msg[\'From\'] = username     # 发送者账号
    msg[\'To\'] = recv           # 接收者账号列表
    smtp = smtplib.SMTP_SSL(mail_host, port=port)      # 连接邮箱,传入邮箱地址,和端口号,smtp的端口号是25
    smtp.login(username, passwd)                   # 登录发送者的邮箱账号,密码
    # 参数分别是 发送者,接收者,第三个是把上面的发送邮件的 内容变成字符串
    smtp.sendmail(username, recv, msg.as_string())
    smtp.quit()  # 发送完毕后退出smtp
    print(\'email send success.\')

if __name__ == \'__main__\':
    email_user = \'xxx@qq.com\'  # 发送者账号
    email_pwd = \'WOSHINIGE123\'  # 发送者密码,授权码
    maillist = \'xxxx@qq.com\'
    title = \'测试邮件标题\'
    content = \'这里是邮件内容\'
    send_mail(email_user, email_pwd, maillist, title, content)

多个 收件人且带附件:

# import smtplib
# from email.mime.text import MIMEText
# \'\'\'
# 发送邮件函数,默认使用163smtp
# :param mail_host: 邮箱服务器,qq邮箱host:  smtp.163.com
# :param port: 端口号,qq邮箱的默认端口是: 25
# :param username: 邮箱账号 xx@163.com
# :param passwd: 邮箱密码(不是邮箱的登录密码,是邮箱的授权码)
# :param recv: 邮箱接收人地址,多个账号以逗号隔开
# :param title: 邮件标题
# :param content: 邮件内容
# :return:
# \'\'\'
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

#邮箱服务器地址
email_host = \'smtp.163.com\'
#发送者
email_user = \'xxxx@163.com\'
#授权码
email_pwd = \'WOSHINIGE123\'
#多个收件人,使用分号分隔
maillist =\'xxxx@qq.com;aaaa@qq.com\'
#对多个收件人进行分割,以;为标准,返回结果是list[\'xxxx@qq.com\',\'aaaa@qq.com\']
email_info = maillist.split(\';\')
#构造一个发附件的邮件内容对象
new_msg = MIMEMultipart()
#邮件正文内容
new_msg.attach(MIMEText(\'test email.....\'))
#邮件主题
new_msg[\'Subject\'] = \'test email\'
#邮件发送者
new_msg[\'From\'] = email_user
#邮件接收者,多个收件人的账号使用,连接,传入类型是str
new_msg[\'To\'] = \',\'.join(email_info)
#打开a.txt读取文本内容
att = MIMEText(open(\'a.txt\').read())
att["Content-Type"] = \'application/octet-stream\'
# 发送附件就得这么写,固定格式,filename指定附件的名字
att["Content-Disposition"] = \'attachment; filename="haha.txt"\'
new_msg.attach(att)
# 连接邮箱,传入邮箱地址,和端口号,smtp的端口号是25
smtp = smtplib.SMTP(email_host, port=25)
# 发送者的邮箱账号,密码,先登录
smtp.login(email_user, email_pwd)
smtp.sendmail(email_user, email_info, new_msg.as_string())
smtp.quit()
print(\'email send success.\')

多个收件人时账号之间使用分号;分割,进行smtp.sendmail(传入的多个收件人类型是list);new_msg[\'TO\'] = recv,接收的类型是str

 使用类实现邮件的发送,即可发送多人也可发送附件:

import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

class SendMail(object):
    def __init__(self, username, passwd, recv, title, content, file=None, email_host=\'smtp.163.com\', port=25):
        self.username = username
        self.passwd = passwd
        self.recv = recv
        self.title = title
        self.content = content
        self.file = file
        self.email_host = email_host
        self.port = port
def send_mail(self): msg = MIMEMultipart() #发送内容的对象 if self.file:#处理附件的 att = MIMEText(open(self.file, encoding=\'utf-8\').read()) att["Content-Type"] = \'application/octet-stream\' att["Content-Disposition"] = \'attachment; filename="%s"\'%self.file msg.attach(att) msg.attach(MIMEText(self.content))#邮件正文的内容 msg[\'Subject\'] = self.title # 邮件主题 msg[\'From\'] = self.username # 发送者账号 #将多个账号\'aaa.@qq.com;bbbb@163.com\' 以分号分割,分割为list self.recv = self.recv.split(\';\') if isinstance(self.recv, list): msg[\'To\'] = \',\'.join(self.recv) else: msg[\'To\'] = self.recv # 接收者账号列表 if self.username.endswith(\'qq.com\'): #如果发送者是qq邮箱 self.smtp = smtplib.SMTP_SSL(self.email_host, port=self.port) else: self.smtp = smtplib.SMTP(self.email_host, port=self.port) #发送邮件服务器的对象 self.smtp.login(self.username, self.passwd) try: self.smtp.sendmail(self.username, self.recv, msg.as_string()) except Exception as e: print(\'出错了。。\', e) else: print(\'发送成功!\') self.smtp.quit() if __name__ == \'__main__\': m = SendMail( username=\'zzzzz@163.com\', passwd=\'xxxxxxx\',file=\'a.txt\', recv=\'xxxxxx@qq.com;xxxxxx@qq.com\', title=\'多个收件人\', content=\'哈哈哈啊哈哈哈哈\', email_host=\'smtp.163.com\', port=25 ) m.send_ma

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