Test your inbox placement at major mailbox providers before or during your send.
Notice something seems off? Pinpoint the issue, implement a fix, and carry on with your bad self to get the most out of your email program.
Use our Seedlist Optimizer to prioritize your results based on the make-up of your mailing list, so you get the most important information first.
Then you can figure out where to spend your time, whether that’s on focusing on specific ISPs to improve delivery or keeping an eye on particular blacklists causing you grief.
250ok offers unparalleled coverage of B2B and B2C mailbox providers around the globe. Complement your inbox placement reporting with trends and anomalies from bounce and complaint rates, Microsoft filter results, Google Postmaster reputation, and more.
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.
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?
The good news: We have a team of email deliverability Experts to help you build context around any challenges you might face. Ask for examples of deliverability issues 250ok diagnosed, triaged, and quickly resolved after other competitors failed.