HOW TO SEE IS THAT AN EMAIL VIRUS?

You are would able to understand an email virus from their SUBJECT, most of them contains an amazing statement or unsusal word, such as below:
Weah
Hokki
Hi
ello
Hello
Hey, dude, it's me
access Mpeg
Re:your text
Re:Text message
Re:Msg reply
Re:Is that your document?
Re:Hot Movie(MPEG)
Re:Information. ..
Re;Important info
Re:This is your photos!
and more, and more...
If you received emails with the subject matter as above, you
should delete even with out openin.