So i have installed FortiMail vm for testing in my lab. And iam seeing a
lot of this messages. Idont think there are something wrong with
Fortimail. It seems to do its job blocking this. It can be around 1000
emails each day looking like this. Thats ...
Hi. Is all your tunnels site to site? Or is it hub and spoke? We had a
similar issue with our enviroment. The solution there was to upgrade to
5.4.5 or higher. Our configuration was Hub/Spoke.