Gmail /Google Workspace With Post SMTP

Estimated reading: 5 minutes 56372 views

Are you looking to enhance your WordPress website’s email delivery capabilities by seamlessly integrating it with Gmail or Google Workspace?

Post SMTP got you covered, by offering seamless & robust integration with Gmail API. To integrate Post SMTP with Gmail follow this short tutorial.

First things first, ensure you have the Post SMTP plugin’s latest version installed on your WordPress site. If you don’t have it installed, follow the Installation & Activation guide.

Configuration Process

Head over to your WordPress admin site.

Go to the Post SMTP Dashboard and click on Setup the Wizard.

Select the Gmail API from the SMTP Mailer and click the Continue button.

In the Mailer Settings, enter From Email (should be the same email address used to log in to Gmail account) & From Name.

Note : Turn on “Prevent plugins and themes from changing this” to stop other plugins or themes from overriding this field.

Gmail API setup

Log in to your Google account and open Google Cloud Console in a new tab. Before setting up the Gmail API, you must choose a Project.

Skip the long setup process—our One-Click Setup gets you connected to Gmail or Google Workspace in just seconds.

Upgrade to Pro & Enable One-Click Setup

Activating One-Click Setup

If you want the easiest way to start sending emails, this is it. With One-Click Setup, there’s no need to create credentials or dig through Google Cloud settings. Just a few clicks, and you’re good to go

The One-Click Setup feature requires a Pro license or higher.

After selecting Google / Gmail as your mailer in the Post SMTP settings, you’ll see the One-Click Setup option. Turn the toggle to ON to start the simplified connection process.

Save 10 minutes in just 10 seconds—our One-Click feature is built to do the heavy lifting for you, so you can get back to what matters.

Need a deeper dive? Check out the full guide on Google Workspace / Gmail Mailer One-Click Setup.

Prefer the manual route? Jump ahead to the Creating a Web App section for full instructions.

Creating a new Project

To create a new Project, click on Select a Project on the top left of the dashboard.

Click on New Project.

Enter Project Name & Click on the Create button.

A notification pop-up will appear stating, “Project is created.” Select the Project.

Select an already existing Project

If you already have a Project, click on it.

Enable Gmail API

On the top left corner, click on the Navigation Menu> APIs & Services> Library.

Use the search bar to find Gmail API.

Click Enable to activate Gmail API.

Go to the OAuth consent screen.

Click on Get Started.

Fill in all the App name & User support email and click on Next.

Select the Audience type as External & click Next.

Enter Contact Information & click Next.

Ensure that you put in your Gmail address in these fields to avoid any errors in the future.

Review & Accept Google API Services: User Data Policy & click Continue.

Click on the Create button

You have successfully created a Gmail API application. Now you will be able to see the following screen, click on Create OAuth Client.

If you want to add Scopes & additional information, refer to Google Support:

Note: Adding Scopes, email addresses other than yours in the Developer contact information will lead to Verification which might take some time to publish your Gmail API.

Creating Your Application’s Credentials

Select Web application from the Application type field’s dropdown & enter a name.

Enter Authorized JavaScript origins & Authorized redirect URI by copying them from the Wizard screen from Post SMTP & pasting them in Gmail API > Clients> Create OAuth client ID page.

Click on the Create button to proceed.

A pop-up window appears, displaying the Client ID and Client Secret.

Copy & paste Client ID & Client Secret in Post SMTP Wizard.

Click on the “Connect to Gmail API” button and grant access.

Once Authorization is successful, click on the Save & Continue button.

Enter the recipient’s Email Address and click on Send Test Email.

Your email is successfully delivered. Click on the Finish button to end the wizard.

You have successfully configured Post SMTP with Gmail API. You can view the details of the sent email by navigating to the Email Log.

If you still find it difficult or have any other email deliverability issues, contact our Support team with a Diagnostic & Connectivity test report. Our expert team will troubleshoot all your email delivery issues and provide you with a prompt resolution.

We take great pride in going above and beyond to provide excellent customer service.

Gmail /Google Workspace With Post SMTP

Configuration Process