server.starttls()
server.login(sender_email, password)
except smtplib.SMTPConnectError as err:
print "Unable to connect to SMTP server."
server.quit()
exit(2)
except smtplib.SMTPAuthenticationError as err:
print "Login attempt failed. Incorrect username/password or " \
"the account does not allow less secure apps to login."
server.quit()
exit(3)
if server is not None:
try:
for address in to_list:
address = str(address).strip()
if is_valid_email(address):
msg.__delitem__('To')
msg['To'] = address
text = msg.as_string()
print "Sending mail to: " + address
try:
server.sendmail(sender_email, address, text)
except Exception:
print "Exception while sending mail."
else:
print address + " is not a valid email. Skipping."
finally:
server.quit()
