Nobody answered my previous thread, so I open a new one.
What is the definition of "an uncompromised mail server" at ipremoval.sms.symantec.com?
We believe that our servers meet it but some IPs are listed, and we have big damage because some members can't receive our email.
If we have fault, we need to improve it immediately.
Please tell me URL which explains that definition, or give some advice for this issue.