creating a Account Share missing Inbox and Sent

So, I am using zmmailbox modifyFolderGrant and createMountpoint to share entire accounts. It worked on the first one I tried but the next one I tried, it didn't do the Inbox and Sent.

zmmailbox -z -m share@domain.com mfg / account user@domain.com rwixd
zmmailbox -z -m user@domain.com cm /shared share@domain.com /

Any ideas?

Thanks,

Stephen