it is possible to configure to rotate email sending ip to hosting accounts
Example change ip shipping every 1 hour.
When you have 100 hosting clients on the server and these clients have 20 to 30 emails
sending daily emial is little compromised and in the cpanel I have a way to change the ip every 2 hours or more, via script, it is possible to do it even in CW,
because I'm thinking of moving from cpanel to CW