Occasionally a 500 error can be caused by corrupted code in your browser, but most often these are errors that need to be fixed by the Gmail team. You can try: Clearing your cache and cookies. POP or IMAP.
Gmail temporary error 500 is one such issue. It can occur at any time. ... Gmail error code 500 is the most general error code which Gmail users frequently encounter due to some server configurations problem. This error usually occurs with a message