I posed this question to my developer of Sendana, Outlook To Asana - Sendana - #108 by James_Carl the original Outlook Add-in For Asana and here was his answer:
Sendana doesn’t “care” about how the user has Outlook configured, in terms of the account or mailbox type. It just needs an email message of some kind to work with. It will work fine with shared or delegate or primary Exchange mailboxes.
It also does not require exchange and can be used by those that use GMail as server within the use of Outlook For Windows, desktop installation.