Send email marketing campaigns from inside your Gmail account and get the highest response rates you've ever seen. Even better, set follow-up emails to send automatically to non-responders.

Every email marketer wants to know what's happening to their emails. My new product is a free and FUN way to see where your emails are going, and where everyone else's emails are going. This is a public utility where everyone can see everyone else's results. Just send your emails to the addresses at the top, and watch the magic happen below.

With ColdSMTP, the new sending server exclusively for cold outreach from GMass, you can now send unlimited cold emails from 1 — yes, just 1 — Gmail account. All without warm-up and without the risk of Google shutting you down.