In one embodiment, the tag extractor 121 extracts {HEAD ~ all HTML tags} from the e mail without including {TAIL ~ texts} and tag attributes 
In one embodiment , the tag extractor 121 extracts { HEAD ~ all HTML tags } from the e mail without including { TAIL ~ texts } and tag attributes
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH