Features such as Reverse DNS Blacklisting, antivirus scanning and delivery of junk mail to the junk folder can be enabled or disabled for each post office.
Enable Reverse DNS for Post Office
Allows the disabling of Reverse DNS testing for a post office.
Enable Antivirus Protection for Post Office
Similar to above, allows the disabling of Antivirus checking for a post office.
Deliver Junk Email to Junk Email folder
Disabling this feature for a post office will change the actions of any configured filters where the filter has an action of 'Mark as spam'. The message will be delivered to the inbox as normal rather than the Junk E-Mail folder of a mailbox. For emails to be delivered to the junk e-mail folder in users mailbox, the message has to have the following header item:X-ME-Content: Deliver-To=Junk. Filters can add this header.