They’re not unique. I’ve had plenty of free account providers deactivate me from disuse. Example: Shutterfly Don’t want your account to be deleted? Try using i

They’re not unique. I’ve had plenty of free account providers deactivate me from disuse. Example: Shutterfly Don’t want your account to be deleted? Try using it or getting a paid service. OP wants to use a bunch of gmail accounts for spam forwarding but they should get a proper paid email provider that supports aliasing.