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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


Email on Tap Episode Six, with Will Boyd, Senior Email Delivery Consultant, Twilio SendGrid

Anthony Chiulli, 250ok’s director of product marketing, recently visited one of our most valued partners: Twilio SendGrid! He sat down with Will Boyd, senior email delivery consultant at Twilio SendGrid. Anthony and Will met just as the Twilio SendGrid acquisition finalized, so we get a good look into how these two brands synergize together. Additionally, […]

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. […]






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