My emails are being blocked. I have only sent 2 in this 24 hour period. I have only created the account less that a week ago and therefore my mailbox is not full - it only contains about 20 mails. It seems to happen when I attach photo's to my mail (no,they do not exceed the 20MB limit, they are small jpegs). My mails are also coming back undelivered to some email addresses, but it varies - sometimes text will send, but other times not.