python 自动发送邮件

import smtplib
from email.mime.text import MIMEText
from email.header import Header
#配置邮箱信息
mailHost="smtp.qq.com"
mailUser="*******"
mailPass="**********"
#配置发送人和收件人信息
sender="********@qq.com"
receivers=['********@qq.com']
#配置邮件内容
mailMessage= MIMEText("yetangjian前来报到","plain","utf-8")
mailMessage['From']=Header("顽皮老板喝不醉",'utf-8')
mailMessage['To']=Header("pangpang",'utf-8')
mailMessage['subject']=Header("这是一封简单的自动发送邮件",'utf-8')
#发送邮件
try:
    serve=smtplib.SMTP(mailHost)#调用服务器
    serve.login(mailUser,mailPass)#登录你的服务账户
    serve.sendmail(sender,receivers,mailMessage.as_string())#调用发件邮箱，收件邮箱，发送的内容
    print("发送成功")
except:
    print("发送失败")
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import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.header import Header
from email.mime.application import MIMEApplication
import os
#配置邮箱信息
mailHost="smtp.qq.com"
mailUser="*******"
mailPass="********"
#配置发送人和收件人信息
sender="********@qq.com"
receivers=['********@qq.com']
#配置邮件内容
def message_config():
    content= """
    <h2>全世界在你身后</h2>
    <a><img src="https://images0.cnblogs.com/blog/263119/201310/24152441-876bacfc45c1489d92854ddc3948b286.jpg"></a>
    """
    content1= MIMEText(content,"html","utf-8")
    mailMessage=MIMEMultipart()#多个MIME对象
    mailMessage.attach(content1)#添加内容
    mailMessage['From']=Header("yetangjian",'utf-8')#发件人
    mailMessage['To']=Header("pangpang",'utf-8')#收件人
    mailMessage['subject']=Header("yetangjian",'utf-8')#主题
    #添加附件
    file_name='15To20work.pdf'#文件名
    fail_path=os.path.join("C:/Users/Administrator/Desktop\python/"+file_name)#文件路径
    pdf = MIMEApplication(open(fail_path,'rb').read())#打开pdf
    pdf["Content-Type"]="application/octet-stream"#设置内容类型
    pdf.add_header('Content-Disposition','attachment',filename=file_name)
    mailMessage.attach(pdf)
    return mailMessage
    #发送邮件
def send_mail(mailMessage):
    try:
        mailMessage=message_config()
        serve=smtplib.SMTP(mailHost)#调用服务器
        serve.login(mailUser,mailPass)#登录你的服务账户
        serve.sendmail(sender,receivers,mailMessage.as_string())#调用发件邮箱，收件邮箱，发送的内容
        print("发送成功")
    except:
        print("发送失败")

if __name__ == "__main__":
    print("开始发送邮件")
    mailMessage=message_config()#调用配置
    send_mail(mailMessage)
    print("发送完成")