import smtplib    # 内置模块
from email.mime.text import MIMEText # 内置模块
from email.util import formataddr # 内置模块


# 构建邮件内容
msg = MIMEText("领导早上好，领导辛苦了","html","utf-8")
msg["From"] = formataddr("张三","yanshi@126.com") # 自己名字和自己邮箱地址
msg["to"] = "lishi@qq.com" # 目标邮箱
msg["Subject"] = "日常问候" # 主题

# 发送邮件
server = smtplib.SMTP_SSL("smtp.126.com")
server.login("yanshi@126.com","LAYEVIAPWQAVVDEP") # 邮箱地址和授权码
server.sendmail("yanshi@126.com","1275377652@qq.com",msg.as_string()) # 自己邮箱，目标邮箱，内容
server.quit()