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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


Let’s get AMPed!

You’ve probably heard all the buzz about AMP for Email—the modern framework created to make email content more dynamic, more engaging, and easier to read for consumers. Google recently announced full support of AMP for its Gmail desktop experience (with mobile coming soon), and it wasn’t long before Microsoft, Yahoo!, and Mail.ru announced their intent […]

Case Study: PeopleConnect now receives actionable insights from homegrown system by using 250ok.

PeopleConnect, an online social networking service comprised of two products, Classmates and Intelius, uses an in-house solution to send email rather than an email service provider (ESP). 250ok’s all-in-one platform allowed Lori Deregt, marketing manager, to holistically manage Intelius from a single-point solution and customize the dashboard to focus on what she cares about most. […]

Help! My email is 100% missing? Where did you put it?!

One of the most common questions reported by our users is also one of the most maddening to experience as a sender: A campaign is showing as 100% missing. What does this mean? Is this test still processing? Did everyone drop this? More to the point; what value does this even offer? After all, how […]






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