Dear,
currently we use a single EX2016 on Premise.
Incomming Mails are delivered to our UTM (SG330),
which scans for Spam/Virus and then routes them to
our EX-Server. Outgoing Mails are routed to an ext.
Smarthost. Outlook Web Access is published through WAF.
Classic Setup I think...
We now want to use EX Hybrid with "Centralized Mail Transport",
which means Mail-Flow should stay as described above.
I read a lot of Articles that say, that EX Hybrid is not possible
as long as Communication is interrupted by the UTM Mail Protection (and WAF).
Instead there should be a NAT-Rule for Port 25 (and may be 443) that
routes traffic directly to our EX on Premise. (I can minimize the "hole"
that is made through that by restricting the rule to MS Servers/IPs).
My question is:
What happens to incomming Commnication when I build a NAT-Rule for Port 25 and 443?
Will (other than Hybrid) incomming Mail still be filtered for Spam/Virus and will OWA
Access still be routed throug WAF or will then ALL Traffic use NAT ONLY and
my protective mechanisms from UTM are not used any longer?
How do you realize EX Hybrid?
THANK YOU!
TJ
This thread was automatically locked due to age.