This problem is common in large-volume users moving the process, common phenomenon is to use the old mailbox password landing Ali mailbox prompts user name password error, but use this password to log old mailbox but no problem, the reason is because a large number of users migrated, Ali mailbox POPs and IMAP cluster launched large batches of concurrent connection to the old mailbox server, Lead to the old Mailbox server username password Authentication timeout, so there is a hint password error situation, in case of this problem please try a few more times or will try again, or to log into the old mail system to change a new password again try. At the same time this situation will cause the relocation of the mail, has used the old mailbox password into Ali mailbox, but the old mail in the mailbox did not come or only a part, in case this situation please do not repeatedly operation, you just wait, the server will automatically help you complete follow-up mail relocation.
Aliyun Mail when you can't find a moving email?
The enterprise mailbox has been implemented "Mailbox move" function, showing the receipt is 100%, the mailbox account but no mail?
Moving by using IMAP will move all mail folders under your original mail system. Including all mail folders, will also be moved together, so you need to start moving the mail address directory below the Sub-mail folder to see the message, click the directory is empty mail address.