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