Problem HMailServer uses the from address by default to set the return path Sent : bounces@myitengineer.com x-receiver: <michael-fake@myitengineer.com : bounces@myitengineer.com
Category: hmailserver
HMailServer – SMTP protocol error: 550 Delivery is not allowed to this address.
Problem You attempt to send emails via HMailServer and receive the following error: SMTP protocol error: 550 Delivery is not