Pinterest eHarmony DraftKings Furniture Row Arsenal FC Adobe

Get advanced analytics on everything email.


All of the signals

A single email management platform

Build a customized email management solution.


World-Class Deliverability

Emails that don't reach the inbox are simply wasted opportunities. 250ok tracks every aspect of your email program to ensure that your messages reach your customers.

Expert Services and Support

You won't find any junior-level script readers here. Ask for examples of deliverability issues 250ok diagnosed, triaged, and quickly resolved after other competitors failed.

Complete Customization

Live outside the app with custom email, SMS, Slack, HipChat, PagerDuty, and webhook alerts. Set it and forget it. Focus on what matters to you, free of pointless notifications.

The 250ok Difference:



Us Them
International seed coverage at 100+ mailbox providers
Design integration with Litmus & Email on Acid
Integrated with major email service providers
Spam trap & phishing monitoring with alerts
In-house DMARC monitoring & guidance
Custom Email, SMS, Slack, and HipChat alerts
Compare performance across any campaign, device, or client
Full API or white label integration

Resources for #SeriousSenders


Email on Tap Episode Eight, with Angela Vega, Senior Marketing Manager, Vrbo

We’re back with another entry in our Email on Tap video series! Anthony Chiulli, 250ok’s director of product marketing, sat down with Angela Vega, senior marketing manager at vacation rental company Vrbo (formerly known as HomeAway) at the Email Evolution Conference in Savannah, Georgia. They chat a bit about Vrbo’s approach to email marketing, including […]

250ok Announces Lead Sponsorship of Juncos Racing Team for Indy 500

250ok Announces Lead Sponsorship of Juncos Racing Team for Indy 500 Local Indianapolis SaaS company to sponsor Juncos Racing and driver Kyle Kaiser Indianapolis – May 22, 2019 – 250ok, an Indianapolis-based email intelligence platform, today announces its lead sponsorship of the Juncos Racing team for the 2019 Indianapolis 500. 250ok’s chief executive officer Greg […]

Analytics meets Design: Preview weighting!

As promised, we’re taking a magnifying glass to 250ok Design’s newest features. We’ll start with something encapsulating the biggest differentiator of our email previewing and testing tool: device-rendering weighting! Now, your device and email client renderings will be presented to you in order of most importance. When we originally created 250ok Design, we were adamant […]






Ready to get started?