• https://wiki.python.org/moin/UdpCommunication
• https://pymotw.com/2/socket/udp.html
• http://www.binarytides.com/programming-udp-sockets-in-python/

• http://chimera.labs.oreilly.com/books/1230000000393/ch11.html

• https://wiki.python.org/moin/TcpCommunication
• SOCKET.RECV -- Three ways to turn it into RECVALL

• https://www.darknet.org.uk/2007/12/pcapy-python-interface-to-libpcap/
• https://stackoverflow.com/questions/4948043/how-to-parse-packets-in-a-python-library?noredirect=1&lq=1

# connect to your Email-Server and send Hello Message (ehlo)
smtpObj = smtplib.SMTP('smtp.example.com', 587)
smtpObj.ehlo()
# start TLS encryption for security
smtpObj.starttls()
# login to the Email-Server with your own username/password
smtpObj.login('bob@example.com', 'PASSWORD')
# send Email from Bob to Alice. Email-Headers are text-fields on separate lines. 
# the Email-Body is separated by an empty line from the header. 
smtpObj.sendmail('bob@example.com', 'alice@example.com', 'Subject:Just a Test\nDate:20171208\nFrom:bob@example.com\n\nThis is a test-mail. Ignore!')
# disconnect from Mailserver
smtpObj.quit()