#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from email import encoders
from email.header import Header
from email.mime.text import MIMEText
from email.utils import parseaddr, formataddr
import smtplib


def _format_addr(s):
    name, addr = parseaddr(s)
    return formataddr((Header(name, "utf-8").encode(), addr))


from_addr = input("From: ")
password = input("Password: ")
to_addr = input("To: ")
smtp_server = input("SMTP server: ")

msg = MIMEText("hello, send by Python...", "plain", "utf-8")
msg["From"] = _format_addr("Python爱好者 <%s>" % from_addr)
msg["To"] = _format_addr("管理员 <%s>" % to_addr)
msg["Subject"] = Header("来自SMTP的问候……", "utf-8").encode()

server = smtplib.SMTP(smtp_server, 25)
server.set_debuglevel(1)
server.login(from_addr, password)
server.sendmail(from_addr, [to_addr], msg.as_string())
server.quit()