A method of grouping {TAIL ~ e mails} that contain HTML code, the method to be performed by {HEAD ~ a computer} and comprising: 
A method of grouping { TAIL ~ e mails } that contain HTML code , the method to be performed by { HEAD ~ a computer } and comprising :
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH