MXroute is super awesome for device based email. If you have firewalls, copiers, system notifications, backup alerts, etc. it’s a great fit.
The killer features are unlimited mailboxes and per-mailbox quotas. I make a new mailbox for every device and give them a quota that makes sense; 10 messages per day for most. If a device goes haywire, gets compromised, or gets stolen, it’s one mailbox to fix and maxes out at a super low quota, so it’s useless for spamming.
That’s 100x better than the options on Office 365 which absolutely sucks ($$$) for low volume email coming from devices.
