Earlier quoted context omitted.
What would be really interesting is if they thought of a Hybrid-Cloud approach. I recall Joel talking about adding a new server every week due to Trello's ever growing popularity during his presentation at Startup School. Being able to spool up on-demand should really help with performance or for times when the datacenter is flooded. But wouldn't it be more cost effective to run it on your hardware during off-peak ti…
Technically, it is running hybrid now, albeit for somewhat silly reasons: the mail server is still at Peer1.
Good luck. Maybe a quick migration to Sendgrid for that system? (Edit: or Amazon SES, of course)