Admin Access to Office 365 or Hosted Exchange
Admin Access to Barracuda Anti Spam Firewall
This article will show you how to setup a Inbound mail rule for your Office 365 or Hosted Exchange service if you are using a
Barracuda Anti Spam Firewall
This rule will bypass Office 365 or Hosted Exchange in built Anti Spam system preventing the likely hood of false positives.
Log into Office 365 Admin Portal
Click on the ADMIN (1)
Click on the Exchange (2)
Once in Exchange Screen
Click on mail flow (1)
In mail flow screen
Click on + (1) to add a new rule
Select Create a new rule... (1)
Add Rule Name (1) (you can call it anything you wish) in our case we call it BarracudaINBound
Select from dropdown *Apply this rule if...
Select The sender (2)
Select IP address is in any of these ranges or exactly matches (3)
Click Save (4)
When IP screen pops up add IP address of sending Barracuda service in Conetix case it is 18.104.22.168 (1)
Click OK (2)
It will add IP address then click OK (1)
Select from *Do the following...
Modify the message properties.. (1)
Select set the spam confidence level (SCL) (2)
Click on SAVE (3)
Select Bypass spam filtering (1)
Select OK (2)
Select SAVE (3)
You should now see your new rule.