I would like to create "do not reply" email account. The simpliest way is create an email account and disable receiving. Which option in Postfix permit disable receiving for particular email? I use ISPConfig 3.1.7p1, Ubuntu 16.04 and Postfix 3.10. This mailbox will be used in this scenario: Developers make different applications and these applications send mainly confirmation emails, also reminder password emails. These emails should only be send and receiver could not answer this email with success.