How to use secondary mail ID in win32com?

Question

I have been trying the below code.

def send_mail():
file_path = r""

outlook_app = win32.Dispatch('Outlook.Application')
olNS = outlook_app.GetNameSpace('MAPI')

# choose sender account
send_account = None
for account in outlook_app.Session.Accounts:
    if account.DisplayName == '[email protected]':
    # if account.SmtpAddress == "[email protected]":
        send_account = account
        
        break

mail_item = outlook_app.CreateItem(0)  # 0: olMailItem
mail_item._oleobj_.Invoke(*(64209, 0, 8, 0, send_account))
#mail_item._oleobj_.Invoke(*(64209,0,8,0,olNS.Accounts.Item("[email protected]")))


mail_item.display()
mail_item.TO = '[email protected]'
# mail_item.CC = '[email protected]'
# mail_item.Recipients.Add('[email protected]')
mail_item.Subject = 'Test sending using particular account'
mail_item.BodyFormat = 1  # 1: Plain format
mail_item.Attachments.Add(file_path)


mail_item.Body = '''Hello, This is a test mail.\nThanks Guys. 
    '''

mail_item.Send()

Even after setting send_account, it is picking my organisation's mail id rather than the other one. I have used SendUsingAccount as well but getting the same result.