In your Groupmail.io application desktop, click Configuration then Mail, followed by SMTP Configurations.
If this is your first mail server configuration, click the “Create” button
In the first text box on the Configuration page, enter a descriptive name. This can be anything you like, but we recommend that it contains “SMTP2GO”.
For the remaining fields, enter the following detail:
SMTP Host: mail.smtp2go.com
Port: 25 or 2525
HELO Hostname: Enter your domain name
Select the “Use STARTTLS” option.
In the Host Authentication section, choose “LOGIN” as the authentication type.
Enter your SMTP username and password. This can be found in your SMTP2GO dashboard under “Settings > Users”.
Click “Send a Test Email” to check that the settings are working. You may find you need to try a different port number. Port 25, 2525, 587, and 8025 are also available.
Once everything is working, click “Save”.
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