Split Your Lead List by Google vs Outlook (Free)
Tool demo · ESP Segmentation
A short walkthrough of the free Warm Inboxes ESP segmentation tool: upload a lead list, split it by Google, Microsoft and gateway inboxes, and see how many mailboxes each segment needs.
ESP Segmentation
Split your list by Google, Microsoft and gateway inboxes, then get told how many mailboxes to buy.
Run the ESP Segmentation → Free, no account.