Zoho Blacklisted: What It Means and How to Fix It

  Tej Pratap Shukla
Written By Tej Pratap Shukla
Anuraag Singh
Approved By Anuraag Singh
Modified On February 2nd, 2026
Reading Time 7 Min Read

As a working professional, emails are the backbone of communication. To connect with clients and colleagues I rely on it mostly when managing the issues like Zoho Mail storage limit. That’s the reason why facing an issue like a Zoho blacklisted issue can be confusing. When it happens new emails will not come, and the replies get slower.

In this article, I will walk you through why it happened and how to identify the issue in simple and practical way. Also I will share the steps that I personally follow to overcome this issue without having any technical expertise.

What Does Zoho Blacklisted Mean?

In simple words, it means a situation where Zoho Mail’s sending IP address or email domain is flagged by spam-filtering organizations same challenges users also face when analyzing Zoho Mail vs Gmail. These are the organizations that maintain a global blocklists used by email providers to stop spam and phishing attempts.  Here are the situations where Zoho is blacklisted:

  • Users’ emails are landing directly in spam folders continuously
  • Emails are not delivering and bouncing back with an error message
  • Email’s reputation drops significantly

If you see that Zoho Mail is getting blacklisted, it doesn’t mean that you have done something wrong to trigger this situation. Most of the time it happens due to technical glitches and security gaps.

Common Reasons Why Zoho Gets Blacklisted

Personally, I have noticed that the Zoho Blacklisted issue happens because of a string of small mistakes this can happen when user try to do the transistyion like how to migrate Gmail to Zoho Mail. Here are the most common causes:

  • Sending bulk emails too quickly: Mostly, this happens when newsletter or promotional emails are sent in bulk without any limitations.
  • Compromised accounts: If any hacker has access to your account spam emails can be sent without the knowledge of the user.
  • Email authentication records are missing: If SPF, DKIM, or DMARC settings are incorrect then they can also be the reason behind Zoho blacklisting.
  • Poor recipient engagement: If any recipient is not seeing your messages or ignoring them it can hurt the sender’s reputation.
  • Using shared IPs: If another user is doing something that triggers the blacklisting on a shared Zoho IP can lead to this issue.

How to know that Zoho is Blacklisted

Before stepping ahead to fix the problem, it is important to confirm that Zoho blacklisted is actually the cause, m mostly when they try to setup related tasks like how to enable IMAP access for Zoho account. Here are some signs that help in identifying it:

  • Emails are getting back with blacklist-related errors
  • Recipient unable to receive emails from your end
  • A delivery warning is showing on the Zoho Mail admin panel
  • Emails are continuously landing in spam

In order to verify, I always check my domain or IP on popular blacklist monitoring services. Once I get the confirmation then I take the steps to resolve the issue on priority.

The Impact of Zoho Blacklisted on Business Communication

This issue doesn’t just affect emails it also damages the reputation of the user as well/ Som,e user depend on continuity features like how to offline access Zoho Mail. I have seen several serious consequences when the email delivery is not working perfectly:

  • Important clients assume that the sender is ignoring their emails
  • There is an interruption in the sales conversation.
  • Internal workflows are getting interrupted
  • Damage to brand image

Even for a short period this issue can give a long term damage. That’s the reason I never ignore the email delivery errors and bounce back messages.

Steps I Follow to Fix Zoho Blacklisted Issues

Personally, I pre-planned a structured approach instead of taking quick decisions. Here are the steps that I personally follow:

  1. Identify the blacklist source: The first thing that I do is check which blacklist has flagged on Zoho or on my domain. This is important because different blocklists have different ways to approach it.
  2. Secure my Zoho Account: Resetting password and enabling two factor authentication also keeping an eye on login activity can keep you a step ahead of unauthorised access.
  3. Request delisting: it is important to submit delisting requests to the relevant blacklist authorities with proper explanation so you can fully get rid of this issue.
  4. Fix Authentication records: I carefully check and correct:
  • SPF records
  • DKIM configuration
  • DMARC policies

How to Prevent Zoho Blacklisted Problems in the Future

I always believe that prevention is better than recovery. Here are some best practices to avoid this issue in the future:

  • Always set a limitation before sending bulk emails
  • Avoid purchased or unverified email lists
  • Keep an eye on bounce rates and spam complaints
  • Always keep email authentication updated
  • Guide every team member about the phishing attempt

By following these habits it helps in maintaining a clean sender reputation and minimizing the risk of Zoho getting blacklisted again.

Why It is Important to Secure Email Data Before Fixing Issues

I always think about my data safety before proceeding to resolve the Zoho blacklisted problem. As I have seen most of the time troubleshooting involved change in configuration or admin. That’s the reason I always prefer to take a backup of my Zoho Mail data before doing anything major.

This is where professional and reliable tools like the SysTools Zoho Mail Backup Tool become useful. Here are the reasons why:

  • It helps me in backing up my email data along with attachments locally
  • Using this tool, there is no risk of data loss
  • It helps in exporting the data in different formats like PST, MSG, PDF, MBOX, and EML
  • The thing that I liked the most is that it doesn’t save any of the user data or credentials locally or on the server.

It is always a wise decision to use this tool in order to back up the Zoho mail to avoid the risk of data loss while fixing blacklist-related issues.

Can Zoho Blacklisted Happen Again?

Yes, it is quite possible that the Zoho Balcklisted issue can happen again in the future if the preventive measures and the best practices are not performed carefully. Email reputation is an ongoing process not a one-time setup. These are the points that I review at regular intervals:

  • Emails delivery patterns
  • Domain reputation
  • User activity
  • Security alerts

This proactive approach keeps my Zoho Mail environment clean and trusted

Author’s Verdict

I have seen that Zoho blacklisted can be frustrating at first but it is manageable if done with the right approach. I have noticed that most of the blacklist problems are preventable when users follow the rules to keep their reputation clean.

The first step to fix the blacklist issue is always to understand the causes and protect email data. If you are someone relying on Zoho for day-to-day communication than treating email reputation should be your priority to avoid these kinds of issues.

FAQs

Q. How long does it take to remove Zoho’s blacklisted status?

Most of the time the status gets removed within few hours however the maximum timeframe can go up to a few days.

Q. Is it possible that by fixing SPF and DKIM remove the error?

Yes, it is true that correcting the SPF and DKIM resolves the issue.

Q. Is it true that the Zoho blacklisted is a permanent problem?

No, this issue is not permanent if the steps to resolve it are taken carefully and with the right approach.

Q. Is it important to back up emails before doing the troubleshooting to fix the issue?

Yes, It is important as it removes the risk of data loss and using a professional tool that we have discussed above can ease the process of backup.