They are two different protocols. Post Office Protocol, which works like a post office box, where you go to get your mail, and Internet Message Access Protocol, which works by synchronising with the server. In most cases, I recommend IMAP. These pages may help you decide:
Sure, some fresh injuries might hurt for a short time frame. However, unless there is a definitive neurological link, these will heal and the pain should stop. If not, then there is a good chance that the pain is not due to the herniated disc at all. So, some herniations can heal, some may not. Degeneration never heals. However, statistics show that healing is not needed in order for the back or neck symptoms to resolve.
A herniated disc is also known as a ruptured or slipped disc. While most people experience pain from bulging and herniated discs, some will never experience pain from this condition at all. It depends on the severity of the bulge or herniation and on the specific individual anatomy of a person. If pain is experienced from herniated and bulging discs, there are treatment options. Some physicians will choose to begin conservatively, with medications, physical therapy, or chiropractic treatment.