I'm using IMAP to retrieve emails from an Exchange Server from my iPhone. When I delete emails on the device, the items disappear on the iPhone, but not on the server. Moving emails to another folder doesn't work as well.
Is this an iPhone or Exchange issue? I'm pretty sure this worked on a previous iPhone OS version, but I can't remember when this behavior started. Somebody told me that the iPhone doesn't transmit the IMAP "purge" command. Is there a workaround for this problem?
Note: I know, there I could create am Exchange/ActiveSync account on the iPhone, but that is not an option for me at the moment.