Re:Google requiring all ‘G Suite legacy free edition’ users ...
by wooptoo on Monday January 24, 2022 @12:19PM
(#30060699)
You can use the SMTP relay from other providers. The free tier should be enough for a personal account or two. For example AWS SES, Mailgun, Sendgrid, etc.
Otherwise this is a one way street, you can receive mail on your domain, but not send from it.