Some background:our mx records point to a cloud service where all our user mailboxes reside.  we have multiple domains, aligned to various lines of business & corporate entities.Ironports process outbound system mail only, senders may be things like ...

My VM Admin is migrating my virtual appliances to new hardware.Other than a graceful shutdown of the appliance, is there anything else I should do?  We have redundant hosts in multiple Datacentres, so it should behave like a DR exercise. Anything tha...