I do feel that we now are very close to the stage of having to assume that VM have ‘lost’ all of the old ‘historic’ emails, and they simply aren’t coming back - ever!
It is unlikely that VM will ever make any sort of official statement to that effect, but, what you need to ask yourself, is this; ‘how long do I keep on waiting for my old emails to appear?’ At some point you will need to work on the basis that they aren’t!
Leaving aside any ‘compensation’ claims, which, it is arguable if anyone is entitled to anything, but it could be months if not years before being sorted - in the meantime, if necessary, what can you, personally, do now, right now, to mitigate against this? Who do you need to contact, which emails do you need to be re-sent (probably to a different non-VM address). Realistically, what will or can you do if, and it is still an if, VM simply throw their hands up, announce that they have suffered from <insert various reasons here>, and that everyone’s old email has gone, they have tried for three weeks to restore it but have now concluded that it is no longer possible and have abandoned any further attempts to even try! They are very, very sorry, but it is what it is....!
What do you, and all other customers in the same situation, do, to get around this?