tools/mail.py should not list archived mailboxes
tools/mail.py should not list archived mailboxes

broken by b30d7ad80a34deceb220ca1a6b4512114068f78d when the API began to list both real users and archived mailboxes in the JSON response

jjz/mailinabox,pichak/mailinabox,m4rcs/mailinabox,jprice/mailinabox,choltha/mailinabox,mail-in-a-box/mailinabox,Neopallium/mailinabox,PortableTech/mailinabox,pichak/mailinabox,b-deng/mailinabox,mail-in-a-box/mailinabox,jjz/mailinabox,PortableTech/mailinabox,pierreozoux/mailinabox,brocktice/mailinabox,jprice/mailinabox,jjz/mailinabox,Neopallium/mailinabox,pierreozoux/mailinabox,mboersma/mailinabox,brocktice/mailinabox,nstanke/mailinabox,jjz/mailinabox,jjz/mailinabox,nstanke/mailinabox,b-deng/mailinabox,pierreozoux/mailinabox,b-deng/mailinabox,m4rcs/mailinabox,jmedding/mailinabox,choltha/mailinabox,d5ve/mailinabox,pichak/mailinabox,Neopallium/mailinabox,PortableTech/mailinabox,d5ve/mailinabox,ianberinger/mailinabox,Neopallium/mailinabox,brocktice/mailinabox,nstanke/mailinabox,mboersma/mailinabox,d5ve/mailinabox,b-deng/mailinabox,mail-in-a-box/mailinabox,pichak/mailinabox,mboersma/mailinabox,PortableTech/mailinabox,Toilal/mailinabox,hnk/mailinabox,Toilal/mailinabox,nstanke/mailinabox,m4rcs/mailinabox,nstanke/mailinabox,m4rcs/mailinabox,Neopallium/mailinabox,choltha/mailinabox,brocktice/mailinabox,pierreozoux/mailinabox,m4rcs/mailinabox,ianberinger/mailinabox,Toilal/mailinabox,hnk/mailinabox,choltha/mailinabox,jmedding/mailinabox,b-deng/mailinabox,d5ve/mailinabox,ianberinger/mailinabox,pierreozoux/mailinabox,Toilal/mailinabox,mboersma/mailinabox,jmedding/mailinabox,PortableTech/mailinabox,d5ve/mailinabox,ianberinger/mailinabox,jprice/mailinabox,jprice/mailinabox,hnk/mailinabox,jmedding/mailinabox,jmedding/mailinabox,mboersma/mailinabox,mail-in-a-box/mailinabox,choltha/mailinabox,jprice/mailinabox,brocktice/mailinabox,ianberinger/mailinabox,hnk/mailinabox