I have a web server which has 2 ip addresses ...194 and ...196 Each of these ip addresses is used for separate websites. Each of these websites send out email (order confirms to customers, error reporting etc).
Some email sent to customers (aol mainly) ends up in junk. In order to reduce this, we have set a reverse dns on each each ip address.
However I discovered today that we are still sending out emails for both websites from the first ip address (194). I tried to change this today by setting the ip address in the Default SMTP Virtual server to All Unassigned. However, when I then configured the web application to send email via the second ip address, the email did not get sent out.
Do I need to set up a second virtual server to make this all work?
Any good resources?