Thanks for the reply.
So now the job runs and reports successful but all I get is a empty file.
12-Aug 09:50 BS01-DIR1 JobId 12560: Start Restore Job Restore_mail_bluewhale.2014-08-12_09.50.07_59
12-Aug 09:50 BS01-DIR1 JobId 12560: Using Device "File_bluewhale"
12-Aug 09:50 BS01-FD1 JobId 12560: shell command: run ClientRunBeforeJob "/nas/users/admin/scripts/MailRestore.bash"
12-Aug 09:50 BS01-FD1 JobId 12560: ClientRunBeforeJob: zimbra: unrecognized service
12-Aug 09:50 BS01-FD1 JobId 12560: ClientRunBeforeJob: zimbra: unrecognized service
12-Aug 09:50 BS01-SD1 JobId 12560: Ready to read from volume "mail-0386" on device "File_bluewhale" (/nas/bacula/bluewhale).
12-Aug 09:50 BS01-SD1 JobId 12560: Forward spacing Volume "mail-0386" to file:block 0:219.
12-Aug 10:12 BS01-SD1 JobId 12560: End of Volume at file 28 on device "File_bluewhale" (/nas/bacula/bluewhale), Volume "mail-0386"
12-Aug 10:12 BS01-SD1 JobId 12560: End of all volumes.
12-Aug 09:51 BS01-FD1 JobId 12560: Error: create_file.c:292 Could not open /nas/bacula/data/backups/mail/fifo/mail.tar: ERR=Interrupted system call
12-Aug 10:12 BS01-FD1 JobId 12560: shell command: run ClientAfterJob "/nas/users/admin/scripts/MailCleanup.bash"
12-Aug 10:12 BS01-FD1 JobId 12560: ClientAfterJob: zimbra: unrecognized service
12-Aug 10:12 BS01-DIR1 JobId 12560: Bacula BS01-DIR1 5.2.2 (26Nov11):
Build OS: x86_64-unknown-linux-gnu ubuntu 11.10
Job: Restore_mail_bluewhale.2014-08-12_09.50.07_59
Restore Client: besc-bs01
Start time: 12-Aug-2014 09:50:09
End time: 12-Aug-2014 10:12:40
FD termination status: OK
SD termination status: OK
Termination: Restore OK -- warning file count mismatch