What Do I Do If My IP Address Has Been Blacklisted?

If you’ve been having trouble sending and receiving emails, you may wonder if your IP address has been blocked. Blacklisting is when an email server blocks your IP address from sending emails. There are a few ways to check if your IP address has been blacklisted, and we’ll review them here.

1. Check with Your Email Service Provider

If you’re having trouble sending emails, the first question is: is my IP blacklisted? If you’re worried that your IP address has been blocked, the best way to find out is to check with your email service provider. They will be able to tell you if there is any problem with your IP address and whether it has been blacklisted. If it has, they will usually be able to help you resolve the issue so that you can start sending and receiving emails again.

However, if your IP address is not blacklisted, it is still possible that you are having problems with email delivery. In this case, it is best to contact your ISP directly to troubleshoot the issue.

2. Use an Online Blacklist Checker

You can also use an online blacklist checker like MX Toolbox or MXToolbox. These tools will scan denylists and databases to see if your IP address is listed. If it is, they’ll usually provide information on why and where. Enter your IP address into the search bar and see if any results come up. If there are, your IP address has likely been blacklisted. If you’re unsure which denylist checker to use, a quick Google search should offer plenty of options.

3. Contact the Website or Server That’s Blocking You

If you think your IP address has been blacklisted, you can try contacting the website or server blocking you. They should be able to tell you why you’ve been blocked and what you can do to fix the issue. In some cases, all you need to do is wait a few days for the block to be automatically lifted.

However, in other cases, you may need to make changes to your account or system before you are allowed back on. Either way, it’s best to get in touch with the blocking party directly so that you can resolve the issue as quickly as possible.

4. Use a Different IP Address

If you’re still having trouble after taking the above steps, you may need to use a different IP address. That is usually only necessary if your current IP address is blocked and you can’t get it removed. If you can access the website or service without problems, your original IP address was likely to be deny-listed.

You can also check public blocklist databases like DNSBL and RBLDNSD to see if your IP address is listed. In this case, you’ll need to contact your ISP (Internet Service Provider) and request a new IP address. Once you have it, you should be able to start sending and receiving emails again without any issues.

5. Check with Your ISP

If you’re still having trouble after taking all the above steps, it’s a good idea to check with your ISP to see if they’re aware of any problems with your IP address. If they are, they may be able to tell you why it’s been blocked and help you resolve the issue. In some cases, ISPs will block certain IP addresses known to be problematic. If this is the case, they should be able to provide you with a new IP address that isn’t deny-listed.

6. Use a Blacklist Removal Service

If you’ve tried all the above and you’re still having trouble, you may need to use a blacklist removal service. These services can help you get your IP address removed from denylists. They’ll usually also help you troubleshoot any delivery issues you’re having to avoid being blocked again in the future.

Sometimes, this may require proving that you’re not responsible for any spam or other malicious activity associated with the IP address. Once removed from the blacklist, you should take steps to prevent future blacklisting by monitoring your activity and ensuring that your IP address is not used for malicious purposes.


It’s important to remember that IP addresses can become deny-listed for legitimate and malicious reasons. If you suspect your IP address has been blocked, you may take a few steps to check and see if this is the case. Once you know your IP address is blocked, you can take steps to clean it up and get removed from the denylist.

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