The generic Mail settings for using Gmail with Google G Suite (now Google Workspace) are as follows:-
Values for G Suite MX records
Google also gives detailed information on how to set up MX Records for Gmail for Google G Suite and further breaks this down by Set up MX records (host-specific steps) and this includes UK Hosts.
To start using Gmail
- Sign in to admin.google.com with your G Suite user name and password.
- In the top right corner, click the App Launcher > Gmail
After 72 hours, if you still need help or if you can't access your domain's DNS settings, contact your domain host directly for assistance.If you want to troubleshoot your email delivery, go to Troubleshoot MX records to learn about troubleshooting problems with your email.