id,name,model_id/id,group_id/id,perm_read,perm_write,perm_create,perm_unlink
access_mail_attachment,access.mail.attachment,model_mail_attachment,base.group_user,1,1,1,1
access_mail_icon,access.mail.icon,model_mail_icon,base.group_user,1,1,1,1