After converting from Mailbox to Maildir queue format, new mail does not appear

[ATC]

After converting from Mailbox to Maildir queue format, new mail does not appear anywhere in pine. The system maillog indicates that deliveries are successful.

The problem appears if the user has 1) been storing read mail on the server AND 2) been using pine before the conversion.

[ATC]

pine checks for an existing "mbox" file before checking the MAIL environment setting. If old emails were stored on the servers and the user has used pine before the convert, both "Mailbox" and "mbox" must be converted using the mbox2maildir utility.

export MAILDIR=~/Maildir/
export MAIL=~/Mailbox
mbox2maildir
export MAIL=~/mbox
mbox2maildir

If the "export" command is not found, check the user's path and shell settings. (The above commands will only work under /bin/bash and certain others)