What you probably want is an SMTP Relay on the VPS that forwards incoming mail to the server at home. Because if you have a power outage and on the sender's Side the SMTP Server is not configured correctly, you will loose EMails
What you probably want is an SMTP Relay on the VPS that forwards incoming mail to the server at home. Because if you have a power outage and on the sender's Side the SMTP Server is not configured correctly, you will loose EMails