Untitled

#me == my email address
#you == recipient's email address
me = "some.email@gmail.com"
you = "some_email2@gmail.com"

# Create message container - the correct MIME type is multipart/alternative.
msg = MIMEMultipart('alternative')
msg['Subject'] = "Alert"
msg['From'] = me
msg['To'] = you

# Create the body of the message (a plain-text and an HTML version).
html = '<html><body><p>Hi, I have the following alerts for you!</p></body></html>'

# Record the MIME types of both parts - text/plain and text/html.
part2 = MIMEText(html, 'html')

# Attach parts into message container.
# According to RFC 2046, the last part of a multipart message, in this case
# the HTML message, is best and preferred.
msg.attach(part2)

# Send the message via local SMTP server.
s = smtplib.SMTP('aspmx.l.google.com')
# sendmail function takes 3 arguments: sender's address, recipient's address
# and message to send - here it is sent as one string.
s.sendmail(me, you, msg.as_string())
s.quit()

SMTPServerDisconnected: Connection unexpectedly closed

retcode (421); Msg: 4.7.0 [ip.octets.listed.here      15] Our system has detected an unusual rate of
    4.7.0 unsolicited mail originating from your IP address. To protect our
    4.7.0 users from spam, mail sent from your IP address has been temporarily
    4.7.0 rate limited. Please visit
    4.7.0  https://support.google.com/mail/answer/81126 to review our Bulk Email
    4.7.0 Senders Guidelines. qa9si9093954wjc.138 - gsmtp

# skipped your comments for readability
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

me = "some.email@gmail.com"
my_password = r"your_actual_password"
you = "some.email2@gmail.com"

msg = MIMEMultipart('alternative')
msg['Subject'] = "Alert"
msg['From'] = me
msg['To'] = you

html = '<html><body><p>Hi, I have the following alerts for you!</p></body></html>'
part2 = MIMEText(html, 'html')

msg.attach(part2)

# Send the message via gmail's regular server, over SSL - passwords are being sent, afterall
s = smtplib.SMTP_SSL('smtp.gmail.com')
# uncomment if interested in the actual smtp conversation
# s.set_debuglevel(1)
# do the smtp auth; sends ehlo if it hasn't been sent already
s.login(me, my_password)

s.sendmail(me, you, msg.as_string())
s.quit()

smtplib.SMTP('smtp.gmail.com', 587)