Deliverability

Blocklist Monitoring

Stay off email blocklists with automatic monitoring. OutSends checks your sending domains against major blocklists and alerts you immediately.

Blocklist Domain Reputation List Monitoring

How it works

Get started with blocklist monitoring in a few simple steps.

View blocklist status

See your domains' status across major blocklists.

Set up alerts

Receive notifications if your domain appears on any blocklist.

Investigate listings

Learn why you were listed and how to get delisted.

Track delisting

Monitor the delisting process until your domain is removed.

Why OutSends for blocklist monitoring

Everything you need, integrated in one workspace.

  • Automatic monitoring of major email blocklists
  • Instant alerts when your domain is listed
  • Delisting guidance for each blocklist
  • Track your blocklist status over time

Related features

Explore more capabilities that work alongside blocklist monitoring.

Frequently asked questions

Which blocklists are monitored?

Major blocklists including Spamhaus, Barracuda, SURBL, and more.

How quickly am I notified of blocklisting?

Alerts are sent within minutes of detection.

How do I get delisted?

Each blocklist has its own delisting process. OutSends provides specific guidance for each.

Start Free

Ready to try blocklist monitoring?

Create a workspace, connect a sender, and launch your first campaign \u2014 free, no credit card.