Is it OK to select the option “Leave mail on server”?
It is not recommended that you leave copies of your messages on the server indefinitely. You have a limited amount of disk space allocated for your Inbox and other files. If you go over your quota, messages will bounce back to the sender. If you use Eudora at home and on campus, set up one or the other to “Leave mail on server” so that all messages eventually wind up on the same computer.