How to Google smtp server relay

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You can use a Google SMTP server relay to have your applications or devices send emails through Google infrastructure. This can be very useful for businesses that want to use their Google Workspace accounts to send emails programmatically. Here is how to configure Google SMTP server relay step by step:

Step 1: Login with your Google Workspace administrator account.

In Advanced settings, scroll down and look for SMTP Relay Service.

Name: Give a name to your SMTP relay configuration.

Approved senders: Check in case all users are granted access, users only from your organization, or users.

Authentication: Select Only accept mail from the following IP addresses in case you only want to restrict the access of relay to some set of IPs. Otherwise, mark this check box.

IP addresses: If the foregoing check box has been checked, input a comma-separated list of the following devices and application IPs.

Save this configuration to create an SMTP relay.

Step 4: Configure Your Email Client or Application

After successfully creating the SMTP relay configuration, you have to set up your email client or application as follows:

In your email client or application settings, navigate to the SMTP settings and enter:

Port: 587 (when using TLS) or 465 (when using SSL)

Username: Your full Google Workspace email address; for example, [email protected]

Password: Password to your Google Apps account