Hi Denis, if you want to nail it down to almost the city block, you can use the GeoIP database, available at
http://maxmind.com/.
>How can I tell from what country an email was sent?
>
>Is there a web site where I could get that information.
>
>For example if I receive something from
john.doe@somewhere.ca I can tell that it's coming from a place in Canada (.ca)