Thanks for your reply.
The above email will hopefully explain better what I am required to do for all my owned domains with my existing service.
From the email link:
...we are implementing a new e-mail security enhancement. This will affect ONLY customers who:
Use a non-@rogers.com e-mail address as their "From" address in outgoing mail -AND-
Use an e-mail program such as Microsoft Outlook,...[Windows Live Mail] etc. The link in the email:
»
www.rogershelp.com/yahoo ··· id=10H-FI was just wondering if I will have to perform the same "email verification" process for any non-@start.ca email address, with which I use to send email from within Windows Live Mail?