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How to create a sending account with the Google Workspace SMTP settings?

Sending accounts are used to create automatic tests and email tests via proxy email addresses. You can use the SMTP settings of most popular mailbox providers such as Gmail, Google Workspace, Outlook, and Office 365 and the SMTP settings of email service providers and delivery services that allow to use their SMTP servers in third party applications.

Below are the steps to create a sending account with the Google Workspace SMTP settings:

In your account, go to Inbox Insight -> Sending Accounts.

Click Create Sending Account and enter the information:

Sending account name: any name that you want to appear in the From field if your emails

From email: your email address set up with Google Workspace

SMTP server: smtp-relay.gmail.com

Port: 587

Security protocol: none (works as STARTTLS)

SMTP username: your email address set up with Google Workspace

SMTP password: the App password created in your email account with Google Workspace

Important: To create an App password, you need 2-Step Verification on your Google Account to be turned On.

Go to your Google Workspace Account.

Click on Security.

Click on 2-Step Verification.

At the bottom of the page, click App passwords.

Enter a name that helps you remember where you’ll use the App password, for example GlockApps.

Select Generate.

Copy the 16-character code.

Click Done.

Paste the App password in the SMTP Password field in the sending account settings.

You may want to save this App password to a safe place in order you can use it again in the future.

Choose a folder to create tests made via this sending account in.

Select the spam filters and email providers to be used for the tests made via this sending account.

Click Check & Create.

Configuring Google Workspace SMTP Relay

In addition to creating an App password, you may need to configure the SMTP Relay in your Google Workspace account to be able to send emails to the seed list. 

1. Go to the Google Admin console.

2. Navigate to Apps -> Google Workspace -> Gmail -> Routing.

3. Scroll to SMTP relay service and click Configure. If the setting is already configured, click Edit or Add another.

4. Set up the SMTP relay service settings as the screenshot demonstrates.

Allowed senders – only addresses in my domains

Require SMTP Authentication – Yes

Require TLS encryption – Yes

If you choose to accept messages only from the specified IP addresses, input the GlockApps IP address

You can read more about the Google Workspace SMTP Relay configuration here

5. Click Save.

Updated on April 5, 2024

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