If you’ve ever discovered that your WordPress contact form submissions are disappearing into thin air or that your critical notification emails are landing straight in your customers’ spam folders, you’re not alone. Relying on your web server’s default PHP mail function is notoriously unreliable, often leading to missed leads and frustrated users. The good news is that there is a professional-grade fix. In this guide, we’ll show you how to bypass the limitations of standard hosting and ensure 100% deliverability by integrating SMTP2GO with your WordPress site—a simple, powerful solution that takes the guesswork out of your website’s email communication.
Step 1
From your WordPress site’s Admin Panel navigate to Plugins > Add New.
Enter smtp2go in the Search Plugins text field.
Your search results will include a plugin named “SMTP2GO – Email Made Easy”.
A direct link to the SMTP2GO Plugin is available by clicking here.
Click Install Now.
Step 2
Upon successful installation, the SMTP2GO plugin will appear in Plugins > Installed Plugins.
Click Activate Plugin.
Once successfully activated, the SMTP2GO plugin will appear on the left navigation menu in the WordPress Admin Panel
Step 3
Click on Settings > SMTP2GO to open the plugin configuration page.
Step 4
Check the box labelled “Send Email Using SMTP2GO”.
Then, enter your API Key provided by RMTT
Enter your “From Email Address”. This is the email address your recipients will see. You need to make sure your domain is verified in the “Sender Domains” section of your SMTP2GO dashboard.
Enter your “From Name”.
Optional:
If you need to add any custom headers to your emails sent with the plugin, enter them at in the Custom Headers section at the base of the settings page.
Step 5
To check that the plugin is working correctly, click the Test tab then enter some recipient details. Click Send Test Email.
A “Success!” notification will appear if the configuration is correct.
