The primary reason for this error is that the system cannot find a directory or file that Dovecot is trying to access. This can be due to various reasons such as incorrect permissions, missing files, or a misconfigured system.An alternative reason could be related to the operating system's epoll mec

How do I fix: Enabling or disabling epoll support?

Step 1: Check your operating system's documentation for how to enable or disable epoll support. Some systems may have a flag or option that needs to be set or unset.Step 2: If epoll is not enabled, try enabling it and see if the error persists. If it does, you may need to investigate further into th

Software⏱️ 3 min read📅 2026-06-15

How to Fix: Meaning of "dovecot: ssl-params: Error: epoll_ctl(del, 7) failed"?

Q: How do I fix: 🔧 Proven Troubleshooting Steps Checking and correcting file and directory permissions?

Step 1: Check the ownership and permissions of all directories and files in the /var/spool/dovecot/ssl-params directory. Ensure that the Dovecot user has read, write, and execute permissions for this directory.Step 2: Verify that all required files and directories exist and are properly named. If a

Dovecot error epoll_ctl() failed: No such file or directory. Possible configuration issue.

Quick Answer: The error is likely due to a missing or incorrect configuration in the dovecot.conf file, which can be safely ignored unless it's causing other issues.

📋 Table of Contents

⚠️ Common Causes
🔧 Proven Troubleshooting Steps
💡 Conclusion

The error 'epoll_ctl(del, 7) failed: No such file or directory' in the Dovecot log file indicates that the system is unable to find a specific file or directory during the regeneration of SSL parameters. This issue affects the security and functionality of your Dovecot mail server.

This error can be frustrating as it may seem unrelated to the actual problem, but it's essential to investigate and resolve it to ensure the stability and performance of your mail server.

⚠️ Common Causes

The primary reason for this error is that the system cannot find a directory or file that Dovecot is trying to access. This can be due to various reasons such as incorrect permissions, missing files, or a misconfigured system.
An alternative reason could be related to the operating system's epoll mechanism being unstable or not properly configured.

🔧 Proven Troubleshooting Steps

Checking and correcting file and directory permissions

Step 1: Check the ownership and permissions of all directories and files in the /var/spool/dovecot/ssl-params directory. Ensure that the Dovecot user has read, write, and execute permissions for this directory.
Step 2: Verify that all required files and directories exist and are properly named. If a file or directory is missing, create it with the correct ownership and permissions.
Step 3: Run the command 'chown -R dovecot:mailvar /var/spool/dovecot/ssl-params' to reset the ownership of the directory to Dovecot's user and group.

Enabling or disabling epoll support

Step 1: Check your operating system's documentation for how to enable or disable epoll support. Some systems may have a flag or option that needs to be set or unset.
Step 2: If epoll is not enabled, try enabling it and see if the error persists. If it does, you may need to investigate further into the epoll mechanism.

💡 Conclusion

To resolve this issue, first check and correct any file and directory permissions issues in the /var/spool/dovecot/ssl-params directory. If that doesn't work, try enabling or disabling epoll support according to your operating system's documentation. By following these steps, you should be able to safely ignore the error or identify and resolve the underlying cause.

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