Hi, bbfi, and thanks.
I've all setting as you recommended. Exactly. When I finish edit avast4.ini, display a message of Error 10048.
I',m trying to receive of my account and a new (the same) message "Sending username did not succeed. Mail server: 127.0.0.1 responded: "Server 'pop.eresmas.net' (my ISP) unavailable.
I've another account with the same server and I receiving them, but not scanned.
Regards