Invoice Ninja Email Not Working? Swift Troubleshooting Guide

Invoice Ninja is a popular online invoicing tool that simplifies the process of creating and sending invoices to clients.

However, users have occasionally encountered issues with the email functionality, hindering their ability to seamlessly send invoices.

In this comprehensive guide, we will delve into the potential reasons behind “Invoice Ninja email not working” and provide actionable solutions to resolve this issue.

In a Nutshell:

  • Understand the potential causes behind the Invoice Ninja email not working.
  • Check your email server settings for any errors or misconfigurations.
  • Ensure that you have a valid SMTP server configured.
  • Disable any third-party plugins or extensions that may interfere with email functionality.
  • Update Invoice Ninja to the latest version to eliminate potential bugs.
  • Contact Invoice Ninja support for tailored assistance if the issue persists.

Why Invoice Ninja Email Not Working?

Invoice Ninja Email Not Working

Several factors can contribute to Invoice Ninja email not working. Identifying the root cause is essential for implementing the appropriate solution. Here are some common reasons:

1. Incorrect Email Server Settings: Ensure that you have correctly entered your email server settings in Invoice Ninja. Incorrect settings can prevent emails from being sent successfully.

2. Invalid SMTP Server: Invoice Ninja relies on an SMTP server to send emails. Verify that you have configured a valid SMTP server in the settings. An invalid SMTP server will result in email delivery failures.

3. Interfering Plugins or Extensions: Third-party plugins or extensions can sometimes interfere with Invoice Ninja’s email functionality. Disabling these plugins or extensions can resolve the issue.

4. Outdated Invoice Ninja Version: Bugs or glitches in an outdated version of Invoice Ninja may cause email problems. Updating to the latest version can eliminate these issues.

5. Firewall or Antivirus Blocking: Your firewall or antivirus software may be blocking Invoice Ninja’s email functionality. Configuring exceptions for Invoice Ninja can resolve this issue.

How to Fix Invoice Ninja Email Not Working:

To resolve the issue of Invoice Ninja email not working, follow these comprehensive steps:

Verify Email Server Settings

Double-check your email server settings in Invoice Ninja. Ensure that the server address, port, username, and password are correct. Contact your email service provider for assistance if you’re unsure about these settings.

Configure a Valid SMTP Server

If you haven’t already, set up a valid SMTP server in Invoice Ninja. Many email service providers offer SMTP servers. Check their documentation or contact their support team for guidance on configuring the SMTP server.

Disable Third-Party Plugins or Extensions

If you’re using any third-party plugins or extensions with Invoice Ninja, try disabling them temporarily. Occasionally, these plugins or extensions can conflict with Invoice Ninja’s email functionality.

Update Invoice Ninja

Ensure that you’re running the latest version of Invoice Ninja. Outdated versions may contain bugs or glitches that can cause email issues. To update Invoice Ninja, log in to your account, navigate to the “Settings” page, and click on the “Check for Updates” button.

Configure Firewall or Antivirus Exceptions

Check your firewall or antivirus software settings to ensure that they’re not blocking Invoice Ninja’s email functionality. Add exceptions for Invoice Ninja’s executable file and the SMTP server’s IP address.

Contact Invoice Ninja Support

If you’ve tried all the above steps and the Invoice Ninja email is still not working, contact Invoice Ninja’s support team. They can provide tailored assistance and help you resolve the issue.


How to fix Invoice Ninja SMTP error?

Verify your SMTP server settings, disable plugins or extensions, update Invoice Ninja, and check firewall or antivirus exceptions.

Why is Invoice Ninja not sending emails?

Incorrect email server settings, invalid SMTP server, interfering plugins or extensions, outdated Invoice Ninja version, or firewall or antivirus blocking can cause email issues.

How do I troubleshoot Invoice Ninja email issues?

Check email server settings, configure a valid SMTP server, disable plugins or extensions, update Invoice Ninja, check firewall or antivirus settings, and contact Invoice Ninja support if needed.

How to configure Invoice Ninja email settings?

Log in to your Invoice Ninja account, navigate to “Settings,” select “Email Settings,” and enter your email server details, SMTP server information, and sender email address.

Why is Invoice Ninja email template not working?

Ensure you’re using the latest Invoice Ninja version, check email template settings, and verify that you have selected the correct email template for your invoices.


Invoice Ninja is a valuable tool for streamlining your invoicing process. However, encountering issues with Invoice Ninja email not working can be frustrating.

By following the troubleshooting steps outlined in this comprehensive guide, you can identify the root cause of the problem and implement effective solutions. If the issue persists, don’t hesitate to contact Invoice Ninja’s support team for personalized assistance.

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