Most Linux dist has sendmail configured to send and receive local emails out of the box. There is really nothing you need to do.
Just create two user accounts. Send email from one user to the other and it should work.
Most Linux dist has sendmail configured to send and receive local emails out of the box. There is really nothing you need to do.
Just create two user accounts. Send email from one user to the other a ...
If your dns is setup right but use default configuration for sendmail/postfix then you should be able to send emails to other domains. SO that's send only.