A sender email reputation check score is a number (similar to a credit score) that tells mailbox providers whether your emails should be delivered to their recipients’ inboxes or diverted to spam folders. It’s based on various metrics, including open and click-through rates, spam complaints, and bounce rates, as well as other factors that indicate the health of your email program. The higher your reputation, the better your deliverability rate.
An important part of maintaining a strong email reputation is ensuring that you only use valid and active email addresses to contact your subscribers. This helps prevent your emails from being flagged as spam or marking you as a phisher, which can cause your email to be blocked altogether. One way to do this is by regularly reviewing your email list to remove subscribers who have unsubscribed or stopped engaging with your emails.
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There are several tools available to check your email sender reputation, including MxToolbox, SenderScore, and Barracuda Networks. Each uses different methodologies and data sources to determine a reputation, so it’s a good idea to run multiple tools and compare results. Some tools also allow you to sign up for feedback loops, which notify you when your email recipients report your emails as spam. However, this method can be time-consuming and isn’t always effective if you don’t have a high enough response rate. Another option is to ask your ESP to provide you with reputation data.