How to Fix WordPress Not Sending Emails?

One of the most common issue that beginners to WordPress experience is, WordPress not sending emails. Fixing this problem is very important.

In some cases even when you have the right plugins, the right setting, you will experience your WordPress website not sending any emails.

Usually, this is server-side and with a few tweaks, it can be fixed. But the question is, why WordPress is not sending emails? How can you fix it? We tend to discuss this matter in this article.

Table Of Contents

Why WordPress is not sending emails?

Before we find any solutions, we must answer this question, why WordPress is not sending emails? The main cause is PHP and mail(). In other cases, some plugins that block spam may consider your emails as spam, therefore, your website won’t send any emails.

In this case, even if you succeed to send an email, it will land in the “Spam” box. This is one of the reasons experts recommend not to send newsletter emails through your WordPress website. Below, we will discuss the best possible options to fix this problem.

How to Test WordPress mail server?

One of the basic methods to fix this problem is by testing your mail server. How can you test your WordPress mail server? To do so, you will need to use a simple plugin known as “Check Email”.

After downloading, installing and activating head over to “Tools” and click on “Check emails”. Now in the “send a test email” enter an email address (preferably yours so you can test whether it works or not) and click on send a test email.

After sending you will see a message (like the picture below). After seeing this message, check your email address even your “Spam” folder. The title of the sent email will be a test email from

Now that you have checked your mail server and realize your WordPress can indeed send an email, you may move to the next step and check your “contact form” plugin’s setting. If that is the case for you, we highly recommend you to contact the support team of your plugin.

How to Install Gmail SMTP in WordPress?

What is SMTP? This could be the first question you have in
mind. SMTP is short for simple mail transfer protocol. A very simple and
standard protocol to use emails through WordPress. The difference between this
protocol and PHP is, this protocol uses a security system which means your
emails are secured and won’t be identified as spam.

To use this protocol on your WordPress website, you will
need to use a plugin. In this article, we will talk about Gmail SMTP plugin.
Because this plugin has way more reviews and ranking compared to its
competitors. Don’t forget, to fully use all of its features you will need to
pay a subscription fee. For example, in the free version, you can only send 100
emails every 24 hours, which can be frustrating for your business.

Before anything, download and install Gmail SMTP from WordPress plugin store. After installing, activate it in your plugin’s setting.

WordPress not sending emails

After installing and activating the plugin, enter to Google wallet and create a new project by using this link.

Then choose the Credential option on the left side and click on Create Credential. Now choose OAuth client ID and click on Configure consent screen and then save the changes.

In the next step, choose Web application and renamed it to “Gmail SMTP”.

WordPress not sending emails

Now return to WordPress dashboard and choose Gmail SMTP plugin and copy your Authorized Rediret URL.

From the OAuth client, popup window copy both client ID and
client secret and paste them in the plugin configuration. Then, click on Ok to
close the popup window. Go back to the plugin and enter the Gmail address you
will be using to send emails and the one you created the project with. Copy the
same email address and paste it in the From Email Address field.

Choose a From Name. The name which will be used as the From Name when sending an email. Scroll down and locate SMTP Port and type in 587 and if you are using an SSL certificate use 465 instead. Then, make sure to click on Save Changes. Then scroll down and click on Grant Permission.

WordPress not sending emails

After saving the changes, Grant Permission button will appear.

Return to WordPress dashboard and check whether the SMTP Status is Connected or not. If the status is connected, the installation is done successfully.

How to Install and Configure Mailgun in WordPress?

Another way you can use to fix your problem is by using Mailgun.
Mailgun is another service used by WordPress websites to send emails. This
service offers a variety of features to its users. For example, you can send
out over 10000 emails each month.

To use Mailgun, first, you need to register on their
official website. Once you are done with creating an account on their website
click on “Add your domain”. A page will open where you have to enter a
subdomain from your main domain. Once you enter a subdomain, Mailgun will show
you some information about your DNS.

In the next step, head over to your cPanel. Go to your DNS

In this section, you will have to change any current DNS
setting to the ones Mailgun has given you.

In the “Name” section choose the subdomain name. Change the “TXT” value to “Type”. Also, in “TTL” type 14400. Lastly, in “TXT Data” type the amount shown in the “Mailgun verification page”.

Go back to your cPanel. Click on “MX Entry” from your Mail.
You will then have to enter your main domain name. Scroll down until you find
“MX”, enter “priority” and “destinations” values and then click on “Create new

You have now registered your domain name with Mailgun. You
now need to wait for your DNS to update itself, this usually takes 24 to 48
hours. To check your DNS status, you can head over to your Mailgun account and
click on “Domains”. Once it’s connected/activated you can send emails from your
WordPress website.

To do so, you will need to install WP Mail SMTP by WPForms
plugin. To download this plugin, head over to WordPress official plugin store
or website. Then go to your WordPress settings and click on “WP Mail SMTP”. In
this section, enter the desired email address in “From Email” and desired name
in “From Name”. In the “Mailer” section you must select Mailgun as your mail
server. Don’t forget to tick “set the return path to match the from email”.

WordPress not sending emails

You will then need to enter the “Private API key” and
“Domain Name” values. To do so, click on the links below the boxes of each
option. Once you are done make sure you click on “Save Settings”.

By following this instruction, you can simply use Mailgun.
To make sure this plugin is working properly click on “Email Test” in your SMTP

Posted by WordPress Guru