Fixed: Oops… A Server Error Occurred And Your Email Was Not Sent. (#007)

The notification ‘Oops… a server error occurred and your email was not sent. (#007)’ usually occurs when Gmail client fails to establish a working connection with the network server. 

Mostly, this error only occurs in the Firefox and a few other browsers, but not on Chrome. There are various factors that trigger this error including an outdated version of the browser, cookies and cache, browser extensions, and many more. 

If you are struggling with the same error, then you can go through the section below to get rid of this error. 

Hacks to Fix Gmail Oops… A Server Error Occurred and your Email was not Sent. (#007) Message

There are several ways to eradicate this error. Here, we are going to discuss some of them. So, you can perform the solutions described below: 

Fix 1: Deactivate the Gmail Labs Background Send

If the ‘background Send’ feature is activated, then it may prevent you to send emails. So, you can solve this by disabling the feature. You can perform the below steps in order to do this: 

• First of all, log into the Gmail account. 
• Then, click on the Settings (gear-shaped) icon. 
• Navigate to the ‘Lab’ tab. 
• Locate the ‘Background Send’ option and disable it. 

Now, you can try to send an email to check if the Gmail error 007 is resolved. Else, you can move on to the other ways described below. 

Fix 2: Clear the Cache and Cookies of the Browser

Due to some faulty files in the browser, you may also encounter the ‘Oops… a server error occurred and your email was not sent. (#007)’ message. So, you can clear the cookies and cache to remove the faulty files from the browser. 

How to Clear Cache and Cookies on Firefox Browser? 

As many Firefox users are reporting this server error #007 in Gmail, let’s discuss the steps to clear browser cache and cookies in it.

1. In the beginning, open the Firefox browser. 
2. Afterward, go to the Menu and choose the ‘Options’ from the list. 
3. Navigate to the ‘Privacy and Security’ category. 
4. Next, tap on the ‘Clear your recent history’ button. 
5. Choose the ‘Everything’ option from the list of the time range. 
6. Tick all the boxes and tap on the ‘Clear Now’ button. 

Now, all the cache, cookies, browsing data, and saved websites will be erased from the browser. So, you can restart the browser and try to send an email. If you are still unable to send it, you can disable browser extensions to eliminate this error. 

Fix 3: Disable Browser Extensions

As we mentioned earlier, the server error (#007) may occur due to some extensions in the browser. So, you can disable them by following the below steps: 

• First, open the browser. 
• Navigate to Menu. 
• Choose the ‘Add-ons’ option from the list. 
• Afterward, click on the ‘Extensions’ option to open the list of extensions. 
• Tap on the three-dot icon near each extension. 
• Lastly, tap on the ‘Disable’ button. 

After disabling all the extensions, restart the browser and log into your Gmail account. Then, check if the error is fixed. Otherwise, you can update the browser to get rid of this error. 

Fix 4: Update the Browser

If you are using an outdated version of the browser, it may also lead to the  Gmail Oops… a server error occurred and your email was not sent. (#007)’ message. So, you can update the browser to its latest version to fix this error. 

How to Update Firefox Browser? 

Open the Firefox browser and tap on the Menu button. Afterward, click on the ‘Help’ button and choose the ‘About Firefox’ option from the list. 

In the next window, it will start to search for the latest update. If it finds any latest version, it will download that automatically. 

After completing the downloading process, tap on the ‘Restart to update Firefox’ button to complete the process. 

If the error still persists after updating the browser, try to send the email from another browser. 

So, these are the probable ways to troubleshoot the issue ‘Oops… a server error occurred and your email was not sent. (#007).’ Hopefully, one of the above solutions will definitely help you to mitigate this error from its core.