3.x to 4.x Upgrade

[Raymond Dijkxhoorn]

Hi!

> My only concern is that support for 3.x will be stopped shortly. Is
> there an indication of when this will happen?
>
> I understand that 4.x is the current stable new version etc.....but I
> run 3.x on a production box and I can't afford too much downtime!

I recently upgraded my 3 mailrelays from 3.x to 4.x i assume you have some
backup achine, upgrade the first, and then the second. Upgrade took around
8 minutes per box on my end. If you dont have a fallback machine you
should seriously consider one :)

Bye,
Raymond.