EMAIL_HOST ='smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_HOST_USER = 'feedback@example.com'
EMAIL_HOST_PASSWORD = 'XXX'
EMAIL_USE_TLS = True

subject, from_email, to = "hello", 'Support Team','to_user@gmail.com'
text = "hello"
html = "<strong>hello</strong>"
msg = EmailMultiAlternatives(subject, text_content, from_email, [to])
msg.attach_alternative(html_content, "text/html")
msg.send(fail_silently=False,auth_user = 'support@example.me',auth_password = 'XXX')

from django.core.mail import *
msg = EmailMultiAlternatives(subject, text_content, from_email, [to])
msg.attach_alternative(html_content, "text/html")
#retrieve emailbackend from settings.py
connection = get_connection()
#change connection parameters
connection.username='XXX'
connection.password='XXX'
connection.host='XXX'
connection.send_messages([msg,])
# dont forget to close connection
connection.close()