usually，Maybe not many people will encounter this situation，That means you want to change your email address，But you need to bring the emails in your current mailbox with you。But once it happens，You will find，Something that is almost the same age as the Internet，There is no mature export and import function。
What's more troublesome than this is，If you are a mail server administrator，You find out tragically，It doesn’t work even if you have server permissions.。The content in the mailbox is stored using special methods，It is not a simple database，Requires the use of corresponding services for access，Moving files directly is likely to cause data corruption，Have to[……]
