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Grab APPSUMO lifetime deal

It’s crazy how you’re spending so much on email marketing tech and still worrying about deliverability. (“This is the marketing equivalent of a Postmates order.”)

As a high-volume sender, your ESP should optimize email campaigns without forcing you to endure complicated technical setups.

If only there was a plug-and-play platform that let you send over your own IP addresses for free, without all the headaches.

Check out


Run an enterprise-grade ESP with best-in-class list segmentation
Launch your own ESP (like Mailchimp) and offer it as a paid service to your customers or clients


Overview is a complete email service provider that lets you send custom email campaigns from your own IP addresses for free.

Now you can send emails using your own IPs for free, with unlimited delivery over multiple Email Service Providers (ESPs) and Mail Transfer Agents (MTAs).

You can route email for optimal deliverability using sophisticated load balancing to improve your sender reputation.

Set throttles for daily or hourly sending limits, automate IP warmups, and customize delivery for each customer using your ESP.

Plus, you’ll be able to integrate with Simple Mail Transfer Protocol (SMTP) relay accounts and APIs like Mailgun, Amazon SES, and Bird (formerly SparkPost).

Take control of your email deliverability and sender reputation with load balancing.

Thanks to’s advanced segmentation, you can send a campaign to multiple lists, tags, and segments at once.

This way, you’re able to guide different groups into the email funnels tailored to their interests and behaviors.

You can also send marketing and transactional emails, including welcome messages, shipping notifications, and password resets.

Plus, you’ll get real-time engagement reporting for opens, clicks, and tons of other actions.

Combine lists, tags, and segments in your campaigns without sending duplicate emails.

Quickly create automated message sequences that are designed to keep your contacts engaged and maximize your ROI.

You’ll be able to customize your drip campaign strategy to find the cadence that achieves the highest open rates.

You can even trigger follow-up email sequences the moment any contact engages with your message. also lets you control who keeps receiving messages, with the option to only send messages to contacts that engage frequently.

Create email funnels with custom, automated email sequences.

Design responsive emails using a drag-and-drop builder, starting with templates or entirely from scratch.

You’ll be able to create email opt-in forms optimized for every device that can be embedded on your website.

And thanks to exit intent bounce detection, you can still get a user’s email address as they leave to continue building your email list.

Design responsive emails and forms using the drag-and-drop builder.

The day you can successfully bring your email marketing in-house will be one to celebrate. (“I’ve never been this excited to send a calendar invite!”)

Now agencies and small businesses can bring their email marketing in-house with’s powerful self-hosted ESP.

Send emails without limitations.

Get lifetime access to today!

Grab APPSUMO lifetime deal