250ok tracks all of the signals critical to your email program. No more depreciated certifications, services blackholes, or insufficient data. Discover insights that drive world-class email performance.
When sending commercial email, it’s important to understand what’s likely to happen the next time you send to a recipient at a particular mailbox provider. Are your messages hitting spam at Yahoo or going missing at Comcast? Are you sacrificing ROI because you lack the proper visibility into performance? Seedlist-based inbox monitoring is a key […]
Marketers are often confused about the point of IP and domain warming, and they end up wondering: “Everything is authenticated, and I’m not using a blacklisted IP, so what’s the problem?” In short: Senders who blast to their entire list without history look like spammers. Internet service providers (ISPs) can choose what to accept or […]
We’re often asked about our stance on the use of email panel data. As senders, we want additional data points, visibility, and signals. In a perfect world, email panel data would enable marketers to compare their engagement to that of their competitors within a contextually relevant group of subscribers. Collected ethically and without bias, this […]