I am in the process of migrating from imail server to zimbra and I am trying to figure out how to get the reverse dns to work correctly. Currently I have dedicated IPs setup for each client:
domain1.com = 18.104.22.168
domain2.com = 22.214.171.124
domain3.com = 126.96.36.199
So when the reverse DNS is queried by the recipient server it would return 188.8.131.52 is mail.domain1.com.
So my question is how do I assign IPs to the multiple domains in zimbra? Currently they are all sent from mail2.knorrweb.com which is 184.108.40.206. But those messages are going to get blocked when they try to do a reverse on domain4.com and it returns mail2.knorrweb.com and not mail.domain4.com.
Am I setting the server up correctly? I am 24 hours into the install, and everything is working great...just don't understand multiple domains multiple ips.