import yagmail
yag = yagmail.SMTP(user='joy_lmx@163.com', password='nicai?', host='smtp.163.com', port='25')
yag.send(user, subject = "I now can send an attachment", attachments=['a.txt', 'b.jpg'])
原文：https://www.cnblogs.com/JohnRain/p/10587001.html