import socket
import smtplib
import dns.resolver

def get_connection_handler():
    try:
        # Get local server hostname
        # host = socket.gethostname()
        host = socket.getfqdn()
        username = 'myemilid@gmail.com' #used with working email_id
        password = 'password' #password

        # SMTP lib setup (use debug level for full output)
        server = smtplib.SMTP('smtp.gmail.com', 587, timeout=30)
        server.set_debuglevel(1)

        server.ehlo()
        server.starttls()
        server.login(username, password)
        return host, server
    except Exception as e:
        return None, None


def validate_email_id(server, host, email_list):

    for each_email_id in email_list:
        records = dns.resolver.query(each_email_id.split('@')[-1], 'MX')
        mxRecord = records[0].exchange
        mxRecord = str(mxRecord)

        # SMTP Conversation
        server.connect(mxRecord)
        server.helo(host)

        server.mail('myemailid@gmail.com')
        addressToVerify = 'ramanzzzzzooo@somedomain.com'
        code, message = server.rcpt(str(addressToVerify))


email_list = ['email_id1@somedomain1.com','email_id1@somedomain2.com','email_id1@somedomain5.com','email_id1@somedomain4.com','email_id1@somedomain3.com',]


server,host = get_connection_handler()
validate_email_id(server,host,email_list)