I would suggest to transform every vacationed account, after 30 - 35 days, into a normal, inactive account.
That would mean their planets/moons get free to be attacked by everyone, a few days before they get deleted.
Too many servers get to end, being full of vacancy accounts, with a lot of loot being lost for the active players...
If you anyway delete an account after x days inactivity, then it would be great to be able to raid their planets before being erased from server.
e.g. in italian server Tarazed ( i think in maximum 4 weeks that server will be killed by boring gameplay between just a few active top players, and houndreds of good, vacanced accounts that would be great farms and crashes for them, making everyone more active )
Was talking with a lot of players about that, and everyone, EVERYONE agreed, that this would be a great idea, as a lot of good accounts, get under vacation just because the player doesn't want to play anymore, and not because he will be unavaiable for a couple of days.
Surely this option would give a longer life to those servers, and at least after a serve fusion, that would give new life!
Think about that, why delete and destroy so much resources and ships without any reason?
better delete "empty accounts". 
That would mean their planets/moons get free to be attacked by everyone, a few days before they get deleted.
Too many servers get to end, being full of vacancy accounts, with a lot of loot being lost for the active players...
If you anyway delete an account after x days inactivity, then it would be great to be able to raid their planets before being erased from server.
e.g. in italian server Tarazed ( i think in maximum 4 weeks that server will be killed by boring gameplay between just a few active top players, and houndreds of good, vacanced accounts that would be great farms and crashes for them, making everyone more active )
Was talking with a lot of players about that, and everyone, EVERYONE agreed, that this would be a great idea, as a lot of good accounts, get under vacation just because the player doesn't want to play anymore, and not because he will be unavaiable for a couple of days.
Surely this option would give a longer life to those servers, and at least after a serve fusion, that would give new life!
Think about that, why delete and destroy so much resources and ships without any reason?
better delete "empty accounts".