I disabled greylisting, and the emails are still taking 20 minutes from Best Buy, etc. I even tried re enabling and changing the rules of the greylisting, etc. Nothing has changed. Thanks though for the response. :)
I am on the newest CENTOS 7.4 kvm, and cPanel v66.0.25 and noticed that my outgoing email is immediate, like within a second to the place I send it.
When I respond, via Gmail or a few other free email providers like Yahoo! and very rarely another email on a different self hosted server, it will...
I really used Google, and did not find a proper solution for this specific issue. I don't need or want these emails. I know the system is highly secure.
I receive the email:
lfd on xxx.xxxxxxx.com: Suspicious process running under user avahi
Time: Sun May 29 19:00:31 2016...