How to Route Emails You Send From Another Email Service Through Google Workspace (SMTP Relay)

Add another mail service to your Google Workspace settings.

Get your emails delivered both to Google Workspace and another mail service at the same time.

Have your emails delivered to Google Workspace if the receiving email address exists in Google Workspace, otherwise deliver them to another mail service.

Set this up if you have another mail service and don’t want to receive mail at Google but still want to use Google Workspace email settings like spam filtering and routing.

Save a copy of all sent/received mail by non-Gmail mailboxes in users’ Gmail mailboxes as a backup.

Have emails sent from another mail server go through Google Workspace before delivery.

Have your incoming emails go through another mail server before they get delivered to Gmail.

Have emails sent from Google Workspace go through another mail server before delivery.