4-发邮件local

from email.header import Header
from email.mime.text import MIMEText
import smtplib

邮件正文(纯文本形式)
message = MIMEText('python email test', 'plain', 'utf8')
邮件头部信息：发件人、收件人、主题
message['From'] = Header('root', 'utf8')
message['To'] = Header('bob', 'utf8')
message['Subject'] = Header('py test', 'utf8')

发邮件：邮件服务器、发件人、收件人
smtp = smtplib.SMTP('localhost')  # 使用本机作为服务器
sender = 'root'
receivers = ['root', 'bob']
smtp.sendmail('root', receivers, message.as_bytes())