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