How Does WordPress Send Emails?
We often hear people say that Ninja Forms – or another contact form plugin – isn’t sending their email. But here’s the truth: Ninja Forms doesn’t send email, and neither does WordPress. If you’ve created a form and expected WordPress to send messages directly, that can definitely be confusing.
Let’s clear it up by looking at how emails actually work on WordPress sites, using Ninja Forms as an example. (Why? We’re just fans!)
The Role of the Web Host
When your website generates an email, the sending is always handled by your web host. Here’s the process:
- Someone fills out a form created with Ninja Forms. This triggers an email “action.”
- In WordPress, an “action” means custom PHP code is injected to make something happen. In this case, it tells WordPress to process the form data.
- Ninja Forms passes that data to WordPress.
- WordPress hands it off to your web host (the company that owns the server where your site lives).
- Your web host processes the request and sends the email.
So, WordPress and your form plugin gather and organize the information, but they do not actually send the message.
Think of it like buying a t-shirt online. The company makes the shirt, then hands it off to the post office. The post office is responsible for delivering it to you. In this analogy, your web host is the post office.
What to do When WordPress Emails Aren’t Sending
Sometimes the fix is as simple as correcting a typo in the recipient’s email address. If not, it’s time to do some troubleshooting.
Verify Email Settings in WordPress
WordPress has built-in email settings that specify the From Email and From Name. If these are incorrect, messages can get flagged as spam or blocked.
From your WordPress dashboard, go to Settings > General. Confirm the correct email address is listed, or try a different one.
Check for Plugin Conflicts
Another plugin on your site might interfere with the email action, preventing the message from being sent.
Use the Health Check and Troubleshooting plugin to test. In Troubleshooting Mode, WordPress temporarily disables other plugins (without affecting visitors). Send a test email. If it works, re-enable plugins one by one until you find the culprit.
Implement SMTP for Authentication
By default, WordPress uses the PHP mail() function to hand emails to the server. Unfortunately, this can be unreliable. Many email providers are cautious about messages that come from websites rather than inboxes, so they may block or mark them as spam.
If you send a lot of emails, this could be the issue. Installing WP Mail SMTP connects your site to a dedicated SMTP service. SMTP authenticates your emails, signaling to providers that they are safe and trustworthy.
Check Your Web Server Settings
Sometimes web hosts add strict security measures that block outgoing emails. If you suspect this is happening, reach out to your host’s support team or contact your CWO for help.
Which Plugins Actually Send Emails?
A few plugins take a different approach. For example, WP Mail SMTP replaces WordPress’s default wp_mail() function with SMTP (Simple Mail Transfer Protocol). SMTP routes emails directly through a mail service provider’s server or API, bypassing the web host and making delivery more reliable.
To Sum Up
If your contact form or online shop isn’t sending emails, don’t blame the plugins. They collect and pass along the data, but it’s your web host or email configuration that determines whether messages are delivered.
Now that you understand how WordPress sends email, you’ll be better equipped to troubleshoot and fix issues quickly. And if you still need help, let us know – we’d be happy to assist through our pay-as-you-go service.
