A good IP reputation is important for the deliverability of your email campaigns. A low one means that your emails will most likely end up in spam folder purgatory rather than in the inboxes of your customers. Mail servers take your IP spam score into consideration when deciding whether or not to deliver emails. In fact, according to Return Path, 83% of the time an email fails to reach a customer’s inbox it’s because of poor sender reputation.

A free tool like SEON’s IP IP spam score checker keep an eye on your email reputation and make sure it’s in good shape so that your emails can make their way into the inboxes of your target audience. The tool checks your email address against numerous spam blacklists and databases to give you an accurate picture of the health of your email delivery infrastructure. The results are displayed as a rating with Good depicting nothing to worry about and Poor showing that you’re most likely being flagged by mailbox providers for spam or phishing attempts.

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To improve your IP spam score, avoid sending too many emails in short periods of time and be sure to regularly scrub your lists for viruses and open proxies. Keeping a low bounce rate will also help maintain your sending reputation by reducing the number of spam traps and spam complainers that can add your IP to third-party blacklists.

Another great tool to use is Google Postmaster Tools which helps you track your IP reputation and gives you a clear idea of how well your email marketing strategy is working. The service offers an in-depth analysis of your email deliverability by comparing it to the rest of Gmail’s user base.