Name: MailPilot
Brand: MailPilot

Question 1

What is an email blacklist?

Accepted Answer

An email blacklist (also called a DNSBL, RBL, or blocklist) is a real-time, DNS-published list of domains and IP addresses that have been flagged for sending spam or abusive mail. Mail servers query these lists during delivery, so if your sending IP or domain is listed on a widely-used blacklist like Spamhaus, SpamCop, or Barracuda, your messages can be rejected outright or filed straight to the spam folder.

Question 2

How do I get removed from an email blacklist?

Accepted Answer

First, fix the root cause: stop the spam or compromised account, secure your server, and clean your list of bounces and complaints. Then submit a delisting request on the specific blacklist that lists you — most (Spamhaus, SpamCop, Barracuda, UCEPROTECT) have a public removal form where you enter your IP or domain. Some lists auto-expire listings after a quiet period. Delisting only sticks if the underlying sending behavior is corrected first.

Question 3

Which blacklists matter most for email deliverability?

Accepted Answer

Spamhaus (ZEN for IPs, DBL for domains) is by far the most consequential — Gmail, Outlook, and most corporate filters consult it. Barracuda Central and SpamCop are also widely used by mailbox providers. Being listed on a smaller or niche RBL usually has little real-world impact, but a listing on Spamhaus, Barracuda, or SpamCop can block a large share of your mail. This tool flags which lists you are on so you can prioritize the ones that matter.

Question 4

Is this email blacklist checker free?

Accepted Answer

Yes. MailPilot's Blacklist / RBL Checker is completely free with no signup required. Enter any domain or IP address and it queries 50+ public DNSBLs in real time. MailPilot's full platform continuously monitors your sending domains and IPs against these blacklists — plus SPF, DKIM, DMARC and inbox placement — and has a free plan, with paid plans from $9/month.

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