I have a server that is purchased from Rackspace, then we have the domain and emails from GoDaddy. I'm currently having an issue where
mxtoolbox.com is showing that the reverse DNS does not match my SMTP Banner.
Now, I'm sure I've set up my TXT records correctly for spf records and lookups. I was wondering if there is something I need to change or add in the spf record. I know GoDaddy is the one that sets the address up in the background, but there has to be a way to get the SMTP banner to match up with the reverse DNS.