I have my UPS (APC 650) connected to Synology NAS and have the NAS UPS Server enabled, entered with my Proxmax nodes IPs.
Anyone has example to set up Proxmax nodes to herbinate/pause its VMs and then shut down itself with Network UPS Tools. I prefer herbinate ( or pause) the VMs...
We would like PMG to suspend email delivery temporary to back end servers while maintenance is carried out.
Is there a way to pause the mail queue from delivering emails in/out during a back end mail server maintenance window?
if PMG can hold the emails for a given amount of time then...