Source email systems such as a Dovecot IMAP server that support Simple Authentication and Security Layer (SASL), use the ...

Source email systems such as a Dovecot IMAP server that support Simple Authentication and Security Layer (SASL), use the format User_UserName*Admin_UserName. Let's say you're migrating email from a Dovecot IMAP server using the mailbox admin credentials mailadmin and P@ssw0rd. Here's what your migration file would look like: