import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
msg = MIMEMultipart('alternative')
msg['Subject'] = "Link"
msg['From'] = "my@email.com"
msg['To'] = "your@email.com"
text = "Hello World!"
html = """
<html>
<head></head>
<body>
<p style="color: red;">Hello World!</p>
</body>
</html>
"""
part1 = MIMEText(text, 'plain')
part2 = MIMEText(html, 'html')
msg.attach(part1) # text must be the first one
msg.attach(part2) # html must be the last one
s = smtplib.SMTP('localhost')
s.sendmail(me, you, msg.as_string())
s.quit()