python中有哪些邮件模块

import yagmail

username = 'xxxxxx@beegee.org'

password = 'xxxxx'

smtp = 'smtp.exmail.qq.com'

mail = yagmail.SMTP(user=username,password=password,host=smtp)

to = ['69xxxxxxx@qq.com']

cc = ['69xxxxxxx@qq.com']

subject = '发红包！'

content = '发红包！'

files = [r'D:\test\第一课\01.txt',r'D:\test\第一课\02.txt']

mail.send(to=to,cc=cc,subject=subject,contents=content,attachments=files)