250ok is a provider of advanced email analytics and deliverability products, offering a customized platform boasting global seed coverage with over 100 mailbox providers. Employed by some of the leading Email Service Providers (ESPs) and enterprise-level marketers, the suite of 250ok products drive insights around inbox performance, sender reputation, DMARC compliance / fraud protection, design rendering on multiple devices and also customer engagement. Starting with 250ok Inbox, users can test, monitor and resolve inbox placement issues in real time by leveraging coverage of international B2B and B2C mailbox providers. Optimized seed testing, via 250ok’s patent pending Seedlist Optimizer, is streamlined to focus only on email list composition and the providers being mailed while automated notifications promise to highlight the issues of most importance. The rule-based 250ok Alerts can send email, SMS, webhook notifications alongside in-app support for third-party apps including Slack, HipChat and PagerDuty.