In my main inbox messages were displaying first thing this morning but then a little later had disappeared - I don't think I deleted the whole inbox and I tried undoing deleted messages which brought back some messages I had deleted in other folders but not the 6500 messages in my inbox. However in the activity report it says that I did delete 6500 messages in the inbox (I really can't remember doing it but all I can think is that I thought I was in the spam folder and I selected all and did delete them). They are not in my deleted folder or any other folder. More strangely I am now not receiving any messages into that folder - but I am receiving messages into the other folders on the account and also receiving messages into the spam folder (I have sent various test emails from other accounts/emails to the folder address and they are not coming in). I don't think any settings have been altered as far as I can see.