Email blocklist monitoring

Get an alert when your IP addresses or domain appears on a blocklist and get delisting recommendations to maintain maximum email deliverability and a healthy sender reputation.

Why you need blocklist monitoring

Landing on an email blocklist negatively impacts your sender reputation and deliverability. An email blocklist service will automatically check and notify you if your IP or domain is blocklisted.

Protecting your sender reputation is easy with MailerCheck

Blocklists handpicked by deliverability experts

We won’t waste your time with irrelevant blocklists. MailerCheck only tracks the most significant lists so your delisting can make the biggest impact in the shortest amount of time.

One-click delisting

MailerCheck identifies any listings and shares tips and suggestions to resolve them. With 1-click delisting, you can request for your IP or domain to be removed in seconds.

Impact Score helps optimize your strategy

Our unique impact scoring system lets you know which blocklists are the most harmful, so you can start by focusing your efforts where they matter most.

Get real-time blocklist notifications

There’s no need to manually check if your IP was blocklisted. Receive notifications via email or set up a webhook to be notified any time your IP is newly listed.

Reliable blocklist monitoring that’s easy to set up

Add a single domain, IP or IP range to start monitoring your email server’s blocklist activity. Our robust and reliable system runs checks every hour so you’ll always get the most up-to-date results.