See the user guide under "Sender Verification." Trace is telling you that the sender is matching a sender group whose "Connection host DNS verification" settings have the checkbox for "Connecting host reverse DNS lookup (PTR) does not match the forwa...
Kudos to you for reading the instructions explicitly. :)When you perform an upgrade from the GUI, the listeners are suspended automatically as part of the process. (That is, there is no need to perform a command in the CLI first.) This is a good catc...
You modify the text of the notification message on the IronPort Spam Quarantine setup page. Choose Monitor -> Quarantines and enable the IronPort Spam Quarantine. [/img]
A very quick way to learn about a feature: in the GUI, navigate to the Network -> Incoming Relays page. Then, click the online help link in the upper-right of the page. The online help will be opened directly section that relates to that feature; it ...