@NovaMIT You have to creat an alow rule to. IP Port group like this Port group like this

@NovaMIT This is how you should do it.

@NovaMIT rule 1 allow port 25 from mail server rule 2 block port 25 for all and switch source and destination,

@NovaMIT ACL rules are read from top to bottom. So first you create allow rules then deny which is below the allow rule here is an example of this at the bottom I have blocked all private IPs, in the...

@WMConey try to describe your solution a little better. do you have a pc as a controller?, check the firewall on the pc, check that the network card is not set to public but private. turn off...

@WMConey Do you only have one router on the controller or do you have multiple devices? Is the same problem with the other devices?