from email.mime.text import MIMEText from email.mime.multipart import MIMEMultipart main_msg = MIMEMultipart() # 添加邮件正文text ... # html_sign 就是你的签名的html文本 html_msg = MIMEText(html_sign, _subtype='html', _charset='utf-8') main_msg.attach(html_msg) # 添加其它信息并发送 ...