On Thu, 7 Dec 2023 17:35:38 +0200, Stephan Fourie via mailop
wrote:
>Anyone else seeing the same issue? Or, can offer some advice?
A large number of the clients I monitor daily are seeing this regularly. The
mail eventually goes through.
mdr
___
m
Hi everyone,
Is there perhaps a Mimecast rep on the list? We're seeing increased temp
rejections from Mimecast across 3 geographically separated email clusters
ie. many different mail servers and IP ranges. The message in the logs is
the generic temp reject: 451 Internal resource temporarily unav
