import smtplib

def sendemail(from_addr, to_addr_list, cc_addr_list,
              subject, message,
              login, password,
              smtpserver='smtp.gmail.com:587'):
    header  = 'From: %sn' % from_addr
    header += 'To: %sn' % ','.join(to_addr_list)
    header += 'Cc: %sn' % ','.join(cc_addr_list)
    header += 'Subject: %snn' % subject
    message = header + message

    server = smtplib.SMTP(smtpserver)
    server.starttls()
    server.login(login,password)
    problems = server.sendmail(from_addr, to_addr_list, message)
    server.quit()

sendemail(from_addr    = 'python@RC.net',
        to_addr_list = ['example@gmail.com'],
        cc_addr_list = ['example@gmail.com'],
        subject      = 'Howdy',
        message      = 'Hello!',
        login        = 'example@gmail.com',
        password     = 'XXXX')

Traceback (most recent call last):
  File "User/Python/Email.py", line 27, in <module>
    password     = 'lollol69')
  File "User/Python/Email.py", line 15, in sendemail
    server = smtplib.SMTP(smtpserver)
  File "C:Python34libsmtplib.py", line 242, in __init__
    (code, msg) = self.connect(host, port)
  File "C:Python34libsmtplib.py", line 321, in connect
    self.sock = self._get_socket(host, port, self.timeout)
  File "C:Python34libsmtplib.py", line 292, in _get_socket
    self.source_address)
  File "C:Python34libsocket.py", line 509, in create_connection
    raise err
  File "C:Python34libsocket.py", line 500, in create_connection
    sock.connect(sa)
TimeoutError: [WinError 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond

import smtplib

def sendemail(from_addr, to_addr_list, cc_addr_list,
              subject, message,
              login, password,
              smtpserver='smtp.gmail.com', smtpport=587):  # split smtpserver and -port
    header  = 'From: %sn' % from_addr
    header += 'To: %sn' % ','.join(to_addr_list)
    header += 'Cc: %sn' % ','.join(cc_addr_list)
    header += 'Subject: %snn' % subject
    message = header + message

    server = smtplib.SMTP(smtpserver, smtpport)  # use both smtpserver  and -port
    server.starttls()
    server.login(login,password)
    problems = server.sendmail(from_addr, to_addr_list, message)
    server.quit()

sendemail(from_addr    = 'python@RC.net',
        to_addr_list = ['example@gmail.com'],
        cc_addr_list = ['example@gmail.com'],
        subject      = 'Howdy',
        message      = 'Hello!',
        login        = 'example@gmail.com',
        password     = 'XXXX')

Traceback (most recent call last):
  File "UserComputingEmail.py", line 25, in <module>
    password     = 'lollol69')
  File "UserComputingEmail.py", line 13, in sendemail
    server = smtplib.SMTP(smtpserver, smtpport)  # use both smtpserver  and -port
  File "C:Python34libsmtplib.py", line 242, in __init__
    (code, msg) = self.connect(host, port)
  File "C:Python34libsmtplib.py", line 321, in connect
    self.sock = self._get_socket(host, port, self.timeout)
  File "C:Python34libsmtplib.py", line 292, in _get_socket
    self.source_address)
  File "C:Python34libsocket.py", line 509, in create_connection
    raise err
  File "C:Python34libsocket.py", line 500, in create_connection
    sock.connect(sa)
TimeoutError: [WinError 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond