import smtplib, sys, email.utils
mailserver = 'smtp.163.com'
user = 'collinsctk@163.com'
password = 'xxxxx'
From = input('From? ').strip()
To = input('To? ').strip()
Tos = To.split(';')
Subj = input('Subj? ').strip()
Data = email.utils.formatdate()

text = ('From: %s\nTo: %s\nData: %s\nSubject: %s\n\n' % (From, To, Data, Subj))

print('Type message text, end with line = [Ctrl+d (Unix), Ctrl+z (Windows)]')

while True:
    line = sys.stdin.readline()
	if not line:
		break
	text += line

print('Connecting...')
server = smtplib.SMTP(mailserver)
server.login(user, password)
failed = server.sendmail(From, Tos, text)
server.quit()
if failed:
	print('Falied recipients:', failed)
else:
	print('No errors.')
print('Bye.')