Email gets deleted from Inbox and server. My provided says its a setting in Thunder bird. But all setting seems to be fine to me. I tried to go back from imps account to POP3 account, but I could not convert to POP3. I have laptop in which I have set as POP3 account which does not delete anything. My I have problem with My thunderbird which is set as IMPS account. Now I do not have send files on my laptop