I'm a network admin for a small company, and recently one of my users purchased an account with an email marketing company. She is going to use their website to send out a newsletter. When she tried to email the newsletter within our domain, no one receives them. However, when she emails them...
We have a VM with Hub Transport role acting as SMTP AUTH server. How do we exclude this from the Exchange evironment but retain the role of SMTP AUTH Server? Thank you. Moderator Note: This is a submitted question.