How can i know the IP addresses of computers from where my mail is being accessed?

My mail is accessed from different computers by different people. Can I know the time and the IP addresses of the computers from where my mail is being accessed

How can i know the IP addresses of computers from where my mail is being accessed?computer protection

1. click on the start menu

2. select run

3. type cmd

4. in the command prompt type: netstat /na

doing 4th step while you're checking your email.