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How to Solve cPanel Email not Sending Messages

Hey there! Struggling with cPanel email not sending messages? 

This issue can be really frustrating and take up a lot of your time.

cPanel Email not Sending

cPanel is a widely used web hosting control panel that offers various tools to manage your email accounts.

But sometimes, even with everything set up correctly, emails just don’t go through, disrupting your communication and productivity.

So, this is not new. And there is a solution to it.

Let’s dive into the hack around it.

We will look at the common causes and solutions for this problem so you can get back to sending emails without a hitch.

Understanding How cPanel Sends Email

It’s all about making sure your email accounts work smoothly using some handy tools and settings.

SMTP Configuration: cPanel lets you set up your SMTP settings, which include the server, port, username, and password.

This setup is necessary to authenticate and send emails.

Email Forwarding: With cPanel, you can forward emails to another account.

However, to send emails from a forwarded address, you’ll need to create email aliases or additional email accounts within cPanel.

DKIM and SPF Authentication: cPanel checks your domain’s DNS records for DKIM and SPF authentication to ensure emails are delivered correctly and to prevent spam.

Email Deliverability: cPanel has a feature to help identify and fix issues with mail-related DNS records, ensuring your emails reach their intended recipients.

PHP Mail Function: If you’re sending emails using PHP, make sure your configuration supports SMTP authentication. Libraries like PHPMailer can make this process easier.

Common Issues with cPanel Email Sending

Here are some common issues and how to fix them.

Common issues and how to fix

Emails Not Sending

If your emails aren’t going through, it might be because of these reasons:

SMTP Configuration Issues: Double-check your SMTP settings—server, port, username, and password. 

You can find these in your email client or ask your hosting provider for help.

Email Account Setup: Make sure your email account is set up correctly in your email client and that it’s not suspended.

Authentication Problems: Ensure SPF, DKIM, and DMARC records are set up properly to verify your email accounts.

To troubleshoot:

cPanel SMTP Configuration: Verify your SMTP settings in cPanel.

Email Forwarding: Check that your email forwarding isn’t causing delivery issues.

Email Account Suspension: Contact your hosting provider. They can help if your account is suspended.

Email Storage Quota: Make sure your storage isn’t full; delete old emails or upgrade your quota if needed.

Emails Going to Spam/Junk Folders

If your emails end up in spam, consider these factors:

SPF, DKIM, and DMARC Records: These need to be correctly set to avoid your emails being marked as spam.

Greylisting: This anti-spam measure might be blocking your emails temporarily.

Understanding these records:

SPF: Checks the sender’s IP to prevent spam.

DKIM: Verifies the message’s integrity with a digital signature.

DMARC: Ensures the sender’s domain is verified to prevent spam.

You can manage these settings via the cPanel Email Deliverability Interface or your DNS Management Interface.

Step-by-Step Troubleshooting Guide

Here’s a handy guide to help you troubleshoot email sending issues in cPanel, broken down into easy steps.

cPanel Email not Sending

1. Checking Server Settings

Verifying SMTP Server Status:

Make sure your SMTP server is up and running. 

You can use online tools to check its health.

Double-check that your SMTP server settings (server, port, username, and password) are all correctly set up in cPanel.

Reviewing Server Logs for Error Messages:

Peek at the server logs in cPanel’s “Logs” section to spot any error messages related to email sending.

This can point you to what’s causing the issue.

2. Reviewing Email Account Setup

Validating Email Account Credentials:

Ensure the email account details (username and password) are accurate and the account isn’t expired or suspended.

Verify that everything is properly configured in cPanel.

Ensuring Proper Configuration of Email Clients:

Check that your email client (like Thunderbird or Outlook) is set up with the correct SMTP settings and is using secure SSL/TLS settings for SMTP.

3. Testing Email Sending in cPanel

Using Built-in cPanel Tools for Testing:

Use cPanel’s “Email Test” feature to send a test email and see the results. Look out for any error messages or delivery failures.

Sending Test Emails and Analyzing Results:

Send a test email from cPanel webmail or an external account to the problematic address.

Watch for the delivery status and any error messages.

4. Analyzing Spam Filters and Blacklists

Identifying if the Domain or IP is Blacklisted:

Check if your domain or IP is on any blacklists using online tools. This can affect email delivery.

Steps to Request Delisting from Blacklists:

If you find your domain or IP blacklisted, follow the steps to request removal.

Provide evidence of your legitimate email practices and address the issues that caused the blacklisting.

Advanced Troubleshooting Techniques Made Easy

Let’s break down how to handle some common tech hiccups that lead to cPanel email not sending messages.


Examining DNS Settings

Configuring MX Records Properly

First things first, let’s make sure those MX records are set up right. 

MX records tell the internet where to send your emails. 

Double-check that they’re pointing to the correct mail servers. 

If they’re off-target, your emails might be too!

Troubleshooting Using DNS Tools

When things go haywire with DNS (Domain Name System), tools like dig or nslookup can be lifesavers. 

They’ll help pinpoint issues like server misconfigurations or pesky DNS caches that need clearing out.

Checking for Server Resource Issues

Assessing Server Load and Resource Usage

Servers get tired too! 

Keep an eye on how much juice your server’s using up. 

Tools like top or htop can tell you if your CPU, memory, or disk are overworking.

Scaling Server Resources If Needed

If your server’s feeling overwhelmed, it might be time to beef it up. 

Think about upgrading its hardware, adding more memory, or even bringing in backup servers to help share the load.

Reviewing cPanel Updates and Patches

Ensuring cPanel and Related Software Are Up to Date

Just like your phone or computer, cPanel needs regular updates to stay sharp. 

So, check often for the latest updates and patches. 

This keeps everything running smoothly and keeps the bad guys out!

Impact of Updates on Email Functionality

After updating, always give your email system a quick test drive. 

Also, send a few emails and make sure they’re arriving where they should be. 

Updates shouldn’t mess with your email game!

Now you’re armed with some handy tricks to tackle those pesky tech issues.

Remember, troubleshooting is all about being thorough and staying one step ahead!

Tips for Keeping Your Email System Trouble-Free

Here is how to keep your email system running smoothly.

cPanel Email not Sending

Regular Maintenance and Monitoring of Email Services

First off, it’s crucial to keep your email servers in top shape. 

This means regularly updating and maintaining them so they run smoothly and efficiently.

Monitoring Performance: Keep an eye on how your email server is performing.

By doing this regularly, you can catch any potential issues before they become big problems.

Error Logging: Keep detailed logs of any errors or issues that pop up.

This helps a lot when it comes to troubleshooting and fixing problems quickly.

Educating Users on Email Best Practices

Next up, let’s talk about the people who use your email system—your users!

It’s important to educate them on how to use email safely and effectively.

User Education: Teach your users about best practices, like how to spot and avoid spam and phishing emails.

Email Security: Show them how to recognize and steer clear of potential security threats, such as viruses and malware.

Email Management: Help your users manage their email accounts better, including tips on using spam filters and handling email storage.

Implementing Proactive Monitoring for Email Deliverability

Lastly, let’s focus on staying ahead of any potential issues with proactive monitoring.

Proactive Monitoring Tools: Use tools that keep an eye on your email server’s performance around the clock.

Automated Alerts: Set up alerts that ping your admins when something doesn’t look right. This way, you can address issues promptly.

Real-Time Monitoring: Track key metrics like message queue length and response times in real-time.

This helps you catch problems before they impact your users.

By following these straightforward tips, you can help prevent future headaches with your email system.

Keeping things smooth and trouble-free benefits everyone involved!


Hope by now you know how to deal with your trouble sending email with cPanel.

A quick run down:

First, ensure your SMTP and email account configurations are correct, and that authentication is solid.

Next, check email forwarding isn’t causing issues and that DNS settings match.

Then, make sure your server can handle the load and keep cPanel updated.

For troubleshooting, take it step-by-step, maintain and monitor regularly, and educate your team on best practices.

Finally, implement proactive monitoring tools and seek professional support if problems persist.

Don’t forget community resources for extra guidance.

Happy emailing!


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