The main user account for a web server (email@example.com) is not used for email at all, but receives a lot of spam. I'd like these messages to just :fail:. I've tried adding a .forward file for the account with ":fail:" in it and emails to the account are bouncing instead of failing. The email is processed by the server instead of being rejected at the SMTP negotiation. I can confirm that this rejection works as it should if you try to email a fully non-existent user (firstname.lastname@example.org)
Is there a way, I can get email to the main account to fail at the SMTP negotiation? We are using Linux with a DirectAdmin install and Exim.
Thank you for your time.