Same here. I also installed https://mailinabox.email https://mailinabox.email on a server and can send email to gmail recipients without trouble. I had some tro

Same here. I also installed https://mailinabox.email https://mailinabox.email on a server and can send email to gmail recipients without trouble. I had some trouble with one of my domains a couple of years ago but it was only related to misconfiguration on my side.