VBA code sending meeting invite from Access to Outlook under secondary email address

I have simple form that sends a meeting notice from access to outlook via VBA. However, I want to use this for multiple users and am sharing an exchange account to do so. Each user will have access to this additional account to send the meeting invite from. I need the code reiterated to send a meeting invite from the secondary account. I would prefer it to look for the email address as the account instead of utilizing the account number. I have attached what I have came up with so far