generating {TAIL ~ a mail thread} including {HEAD ~ at least two e mail messages} transmitted and received between a message originator and at least one recipient 
generating { TAIL ~ a mail thread } including { HEAD ~ at least two e mail messages } transmitted and received between a message originator and at least one recipient
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH