Do you have v1.2 patch, it fixes most of the Multi issues. Although it does seem Gamespy cant support anything more than 1v1.
"It may be that the old astrologers had the truth exactly reversed, when they believed that the stars controlled the destinies of men. The time may come when men control the destinies of stars." -Arthur C. Clarke
"Ideals are like stars: you will not succeed in touching them with your hands, but like the seafaring man on the ocean desert of waters, you choose them as your guides, and following them, you reach your destiny." -Carl Schurz