Configure Mageplaza SMTP Email Extension on Magento 2.x

Sending emails reliably from your Magento 2.x store is crucial for order confirmations, account notifications, and marketing campaigns.

By default, Magento uses the PHP mail function, which can often lead to emails landing in spam or not being delivered at all.

The Mageplaza SMTP Email Extension allows you to connect Magento 2.x with trusted SMTP providers like SendGrid, Mailgun, Zoho Mail, and more — improving deliverability, ensuring authentication, and giving you full control over your email settings.

This guide will walk you through downloading, installing, configuring, and testing the Mageplaza SMTP extension on Magento 2.x, so your store’s emails reach your customers’ inboxes every time.

Table of Contents:

Magento 2 uses the PHP Mail function by default to send emails. If you already have server-wide SMTP settings configured, no further setup is required. This guide is for users who prefer using a Magento extension to manage SMTP settings — in this case, Mageplaza’s Magento 2 SMTP extension.

Before starting, make sure your Magento version is supported by this extension. To check the supported versions, click here. If you only need to set a different From Name and Sender Email for your Magento store, refer to the last section of this guide.

Follow these steps to install, activate, and configure the Mageplaza SMTP Email Extension on your Magento 2.x store.

Log into Magento Marketplace using your Magento Admin credentials.

Enter SMTP by Mageplaza in the search bar, and from the results, click Mageplaza SMTP.

Now, select your store version ( in this case, Magento 2.x) and click the Add to Cart button.

You will receive the confirmation message.

Next, go to My Profile and copy the Public and Private keys from the Access Keys section. These keys will be required while installing the extension.

Log into your Magento Admin Panel and navigate to System > Tools via the sidebar and then click Web Setup Wizard.

From the Setup Wizard screen, select Extension Manager.

Enter your Magento Marketplace Public and Private keys and then click Submit.

If your Magento Marketplace Account is already connected, you will see the below screen. Click the Review and Install button.

Now in the list on the Extension Manager screen, locate ‘mageplaza/module-smtp’ and click the Install button.

Next, click Start Readiness Check.

The process will take a few moments. Click Next to continue.

If you have already taken an on-demand backup on your server, you can safely skip the backup step. For this, uncheck all three backups options and click Next to proceed.

Click Install to start the process.

The process will take a few minutes to complete.

On the Magento Admin Dashboard, navigate to Store > Settings > Configuration. Click SMTP under the Mageplaza Extensions sub-menu.

Enter your name and email address, and then click Activate Now button.

The next step is the configuration of the extension. Mageplaza SMTP Extension supports multiple SMTP providers including SendGrid, Mandril, Mailgun, Zoho Mail, etc.

From the SMTP Provider dropdown menu, choose your preferred provider, and then click the Load Settings button. Now, enter the username and password of your selected email service provider and click the Save Config button.

For convenience, SendGrid is selected as an example.

You will receive the following success message.

After the SMTP settings have been configured, it’s important to send a test email to ensure that everything is working properly.

For this, click to expand Send Email Test under the SMTP section of the Mageplaza Extensions submenu. Select Send Form from the dropdown menu and then enter the target email address in the Send To field.

Click Test Now to send a test email to the provided email address.

Check the inbox to verify that you have received the test email.

If you haven’t set Sender Name and Sender Email for your store or wish to change the current values, go to Stores > Settings > Configuration.

Under the Configuration page, choose your store from the Store View.

Under General, click Store Email Addresses, expand General Contact, unselect ‘Use system Value’, and then set the preferred Sender Name and Sender Email values.

For this, log into your Domain Registrar. Navigate to Domain Management and then add a new record with the following values:

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