SORBS Dynamic IP List

The SORBS DUL lists dynamic or residential IP addresses that should not be directly sending email. If you're on a home internet connection or a VPS with dynamic addressing, you may appear here.

Tier

Widely used

Impact

Medium — Primarily affects senders using residential or dynamic IP addresses.

Auto-expiry

Does not auto-expire. Requires proper PTR configuration and manual removal.

What it lists

Dynamic, residential, or improperly configured IP addresses sending email directly.

How to get delisted

5 steps

01Check your IP on the SORBS website
02Set up a proper reverse DNS (PTR) record for your sending IP
03Ensure your IP has a static assignment from your ISP
04Submit a delisting request showing your PTR record is configured
05If you're on a residential connection, use your ISP's SMTP relay instead

Open the removal formhttp://www.intl.sorbs.net/cgi-bin/lookup

What it lists

How to get delisted

Check SORBS Dynamic IP List against your domain