How to get known that email a/c u r using is being used by u only or not?

If u r using gmail then at bottom there is an option 'view recent activity' click there and c whether any other i.p address is there or not.
If u using ymail,hotmail c that there no new email which is nt read by u.
If u receive any suspicious mail with attachment b careful with it,it may b a spyware.
Do keep back up of all ur data!

Helpful info. I didnt know that. Thanks

i knew that
thanks anyways

Ur welcome.......!!