/home/garberw/.thunderbird/****.default/Mail/Local Folders/System is a symbolic link to
/var/mail/garberw. When I use thunderbird my email to root appears under
Local Folders in a subdirectory
System with separate emails. The problem is that
/var/mail/garberw is a single file which is reinitialized so that every time a new email arrives they are all marked as unread.
There is probably nothing wrong with the permissions on
THE ORIGINAL METHOD (completely different):
I can not use postfix to forward the email to my external email provider,
att.net, since they (as far as I can tell) bounce the “relay”; i.e. they do not allow email sent from root to have the sender name replaced as my email address so it looks like I sent the email to myself because swapping the sender is a common way of sending spam. I had this solution working then suddenly it stopped working indicating that they changed their policy and made it illegal.