I have a hotmail account that I've had girt at least fifteen years. Who knows who has that email! So I use the hotmail spam filter, then forward everything else to gmail as pop3. Then gmail filters the rest of the spam. This way, I get my useful emails from this account still on my gmail.
Sent From my Razr Maxx(W.K.Y.A.98.72.16.XT912.v4.7-R3Ds) via Tapatalk 2