If you only want to use the SMTP server, skip the POP bits and only set up SMTP to work with your existing email account.

Any time I try to search for a guide on this, I'm coming up with stuff like "relay all of your linux system's messages through an external SMTP server" which isn't what I need. Alternatively, I ...

After that I configure the SMTP virtual server for integrated windows authentication than I add my users and grant them relay permissions.

Configure the hostname, domain, and network settings by editing the main.cf file. Set up SMTP authentication and encryption to secure email transmission. Additional Configurations For a more robust ...