pinterest method

Hi guys
in the fact i have some boards and a lot of accounts but my problem is i havent auto send invites because i dont able to send 100 invites to each account if anyone have a method to do that can help me really i need your advice and also i m ready to send invites to you
thanks guys

If I remember correctly Pinblaster exclusive could do that task.
Havent used it for a long time.