Sorbs Spam Blacklist: What Is It and How To Remove Yourself From It

What Is The Sorbs Spam Blacklist?

SORBS stands for Spam and Open Relay Blocking System.  The Sorbs Spam Blacklist successfully blocks emails for over 12 million host servers.  The different types of cyber threats that they work to block are spam messages, phishing attempts, and other forms of malicious threats to email.  The Sorbs Spam Blacklist is compiled of IP Addresses that have been suspected of either sending spam messages, forwarding spam messages, and servers that have been taken over by malware.   

Why Was I Listed On The Sorbs Spam Blacklist?

Most simply put, if you are on the Sorbs Spam Blacklist, your email was flagged by the Sorbs Spam Blacklist trap and found to be infected in some way.  A few examples of how this happened are listed below:

  • You are a spammer 

  • Your mailing list is insecure

  • The shared server you are using has been flagged

  • Your network was taken over by malware

How Can I Remove Myself From The Sorbs Spam Blacklist?

The Sorbs Spam Blacklist allows users to create an account, sign in, and manually request to be delisted.  There is a “Delist An IP Address” option once logged in.  Next, you will be prompted to type in your unique IP Address and press “continue”.  A list of IP Addresses will appear.  Once you find yours, select “proceed” on each row that your IP Address is listed on.  Lastly, you will select the “Get Help/Support” button to create a ticket.  Once the ticket is created, you will receive a message indicating your ticket was opened.  The two outcomes are:

1. Your IP has been auto-removed

2. Your IP has not auto-removed 

If your IP was not auto-removed, you can reply back and argue your case further.  

How Do I Reduce My Risk Of Getting Onto The Sorbs Spam Blacklist?

The best way to avoid getting listed on a blacklist is to engage in proper email practices such as...

  • Verify all email addresses before attempting outreach

  • Avoid sending unnecessary emails

  • Avoid the use of spam words within your email drafts

  • Keep your sending volume to a minimum (30-50 a day if your inbox has been warmed up with us for at least 30 days)

Related Terms To Sorbs Spam Blacklist 

Blacklist: An online database that aggregates email addresses and domains that have been reported on multiple occasions to be sending out spam or malicious content to others on a large scale. These blacklists are used as a reference by mail servers in order to determine how safe it is to accept messages coming from unknown domains and addresses.

Phishing: The fraudulent practice of sending emails purporting to be from reputable companies in order to induce individuals to reveal personal information, such as passwords and credit card numbers.


IP: An Internet Protocol address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. An IP address serves two main functions: host or network interface identification and location addressing

Malware: Viruses that are developed to attack your network and cause extensive damage while gaining your personal information.


Start landing in more inboxes. Use Warmup Inbox to increase deliverability and monitor blacklist activity.

Get started today for free.

(no credit card required)