forming {HEAD ~ a fingerprint} of the e mail by linking together the extracted HTML tags to form {TAIL ~ a single string} 
forming { HEAD ~ a fingerprint } of the e mail by linking together the extracted HTML tags to form { TAIL ~ a single string }
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL