In this article, I’m going to review how you can request a de-listing from a blacklist so that you can start to email a provider that has possibly blocked your server’s IP address.
De-listing an IP from a blacklist
When your mail server is currently listed in a blacklist, you should receive a bounce-back message stating why. You can read my article on why does email bounce, bounceback, or error for a more in-depth explanation of bounce-back messages.
Depending on the blacklist provider that has blacklisted your server’s IP address, the de-listing process would be different. Included in your email bounce-back you’ll typically also receive a link to the blacklist provider’s website that explains how to request a de-listing.
If you’re curious about why you might have to request a de-listing from a blacklist in the first place, our guide on why do mail servers get blacklisted goes into detail about this.
Common blacklist removal pages
| Blocklist | Lookup/Delisting Page |
|---|---|
| SpamCop | www.spamcop.net/bl.shtml |
| CBL Blacklist (Composite Blocking List) | www.abuseat.org/tandcissues.html |
| Barracuda | barracudacentral.org/rbl/removal-request |
| SORBS | www.sorbs.net/lookup.shtml |
| SPAMHAUS | check.spamhaus.org/ |
UCEPROTECT RBL Blacklising
If you notice your site listed on a UCEPROTECT Real-time Blackhole List (RBL), please be aware that this is most likely a false listing and it should not affect email transmissions. See the following guide for more detailed information: