Skip to main content
Help Center
English (US)
日本語
Submit a request
Sign in
How can we help you?
BitTitan Help Center
Solve a Problem
IMAP/POP
IMAP/POP
Articles about migration errors when performing an IMAP/POP Mailbox migration.
System I/O error
The handshake failed due to an unexpected packet format
This message is too big and can not be appended
UID FETCH error: Can't fetch that data
Unable to append message to folder
Unable to open this mailbox
Unable to return a highest UID
Unknown namespace
What do I do if my IMAP migration reports the error: Plaintext authentication disallowed on non-secure (SSL/TLS) connections?
[ALERT] Message too large IMAP
[ALREADYEXISTS]
[AUTHENTICATIONFAILED] (#MBR1212) Incorrect username or password - Error
[AUTHORIZATIONFAILED] Account is blocked - Error
[SERVERBUG] Internal error occurred
«
First
‹
Previous