Brands responsible for billions of dollars in revenue depend on 250ok to maximize email marketing performance. Our products and integrations allow customers to gather advanced insights into email deliverability, sender reputation, fraud protection, and consumer engagement.

250ok began reinventing analytics and deliverability software in 2011. The company started as a pet project by former ExactTarget email deliverability manager Greg Kraios. Now our email analytics inform senders like Marketo, SendGrid, SparkPost and Adobe, the combination of which is responsible for more than a quarter of the world's legitimate email. We revolutionize email management software for businesses of all sizes, creating innovative tools for the modern sender.

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Greg Kraios


Ryan Pfenninger


Andy Clark


We're Hiring!

Innovation drives our culture. Join us.

Enterprise Sales Lead – EMEA

Department: Sales
Location: Amsterdam, Netherlands or London, England



250ok Secures $2.6M Series A to Transform Email Analytics

INDIANAPOLIS – (BUSINESS WIRE) – Email analytics and deliverability company 250ok today announces a raise of $2.6 million in Series A funding. The round, led by Arthur Ventures, is to be invested into product expansion and hiring. 250ok joins Arthur Ventures’ growing portfolio of leading marketing technology companies, including Infusionsoft and Terminus. “With more than […]

250ok Tapped for Cordial’s Technology Partnership Program

INDIANAPOLIS – Cordial has integrated its adaptive messaging platform with seven channel partners to bring its machine-learning marketing technology to new users and use cases. The San Diego-based company unveiled partnerships with 250ok, Digioh, Liveclicker, LiveIntent, Onespot, Sparkpost, and Urban Airship. Cordial clients will benefit from the greater ability to scale marketing campaigns across channels, […]

Email Analytics Firm 250ok Adding Skilled, High-Wage Jobs in Indianapolis

INDIANAPOLIS – 250ok, an email analytics and deliverability platform for email marketing services, announced plans to expand its operations in Indianapolis. As part of its growth, the company plans to create up to 53 new high-wage jobs by 2021, supporting the momentum of central Indiana’s tech community. “Indiana’s homegrown success in the tech industry is […]

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