gmail, I had MSN/Outlook when I first left webtv and disliked it, so I signed up for gmail and haven't gone back to Outlook. I also have Yahoo from back when I was in some Yahoo groups, also dislike that because they hide simple options like sending something to trash.

Both Outlook and Yahoo have gone through so many changes that when I check them out once a year to see if any of the spam isn't actually spam, I have to relearn where to find everything, with gmail they make minor changes but easy to figure the changes out.

With gmail I get about 3-5 spams a week, with Outlook it took 6-8 years before the spam has finally gone down to a few a week which is surprising as long as I only used Outlook for about 2 months back in 2005. Yahoo gets very little spam but they change ownership way too much.