Instantly check an IP or domain against major email blacklists including Spamhaus, SURBL, SORBS, and more.
Enter a CIDR notation to instantly convert it to an IP range.
SPF is a method to prevent email sender address forgery. Enter your domain to analyze its SPF record.
Enter a IP range to instantly convert it to a CIDR notation.
We’re back with another entry in our Email on Tap video series! Anthony Chiulli, 250ok’s director of product marketing, sat down with Angela Vega, senior marketing manager at vacation rental company Vrbo (formerly known as HomeAway) at the Email Evolution Conference in Savannah, Georgia. They chat a bit about Vrbo’s approach to email marketing, including […]
250ok Announces Lead Sponsorship of Juncos Racing Team for Indy 500 Local Indianapolis SaaS company to sponsor Juncos Racing and driver Kyle Kaiser Indianapolis – May 22, 2019 – 250ok, an Indianapolis-based email intelligence platform, today announces its lead sponsorship of the Juncos Racing team for the 2019 Indianapolis 500. 250ok’s chief executive officer Greg […]
As promised, we’re taking a magnifying glass to 250ok Design’s newest features. We’ll start with something encapsulating the biggest differentiator of our email previewing and testing tool: device-rendering weighting! Now, your device and email client renderings will be presented to you in order of most importance. When we originally created 250ok Design, we were adamant […]