import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

gmail_user = 'username@gmail.com'
gmail_password = 'p@ssw0rd'

def send_mail(params, type_):
      email_subject = params['email_subject']
      email_from = "from_email@domain.com"
      email_to = params['email_to']
      email_cc = params.get('email_cc')
      email_bcc = params.get('email_bcc')
      email_body = params['email_body']

      msg = MIMEMultipart('alternative')
      msg['To'] = email_to
      msg['CC'] = email_cc
      msg['Subject'] = email_subject
      mt_html = MIMEText(email_body, type_)
      msg.attach(mt_html)

      server = smtplib.SMTP_SSL('smtp.gmail.com', 465)
      server.ehlo()
      toaddrs = [email_to] + [email_cc] + [email_bcc]
      server.login(gmail_user, gmail_password)
      server.sendmail(email_from, toaddrs, msg.as_string())
      server.close()

params = {
    'email_to': 'username@gmail.com',
    'email_cc': 'username@gmail.com',
    'email_bcc': 'username@gmail.com',
    'email_subject': 'Test message from python library',
    'email_body': '<h1>Hello World</h1>'
}
for t in ['plain', 'html']: #sending plain and html email
    try:
      send_mail(params, t)
      print ('Email sent!')
    except Exception as e:
      print('Something wrong: '+e)