Python SMTP 發送純文本

from email.mime.text import MIMEText
import smtplib
import getpass

msg = MIMEText('這是一封來自python的純文本郵件','plain','utf-8')
from_addr = '發件人郵箱地址'
password = getpass.getpass('Password:')
smtp_server = 'smtp.163.com'
smtp_port = 994
to_addr = '收件人郵箱地址*'
server = smtplib.SMTP(smtp_server,smtp_port)
server.starttls()
server.set_debuglevel(1)
server.login(from_addr,password)
server.sendmail(from_addr,[to_addr],msg.as_string())
server.quit()</pre>