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Blacklist Monitoring · SORBS

SORBS Shut Down in 2024. Here's What That Means for You

SORBS, one of the oldest spam blocklists, was shut down by its owner Proofpoint on June 5, 2024, and its lists were emptied. Its domain no longer resolves. There's nothing left to be listed on, and nothing to request removal from.

Examples:

Seeing SORBS in a Bounce?

If a rejection message still mentions SORBS, the receiving server's configuration is out of date. Contact that server's administrator and ask them to remove SORBS from their blocklist settings. If it's your own mail server, remove it from yours.

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Listing detail with the data source and its delisting steps
Alert · Slack #mail-ops
203.0.113.25 listed on SORBS
Delisting steps attached

Frequently Asked Questions

About SORBS listings.

Still have questions? Our support team is ready to help. Contact Us
Is SORBS still running?

No. Proofpoint shut it down on June 5, 2024.

Can I get delisted from SORBS?

There's nothing to delist from; the lists were emptied when it shut down.

Why do I still see SORBS in error messages?

The server rejecting your mail still has SORBS in its configuration. Ask its administrator to remove it.