Required a way to generate "To" address for Reply/Comment

Hi,

When members subscribe to email notifications for community topics or boards, they receive emails that include a Reply link below each topic.

When the member clicks the Reply link below the topic they want to respond to, the member's email client opens with a blank email and a predefined return address with a special key in the 'To' field, specific to the community topic.

Can we build this 'To' field (predefined return address with a special key generated by lithium in subscription email) in TKB Article Page and Forum Topic page (Not in email template) by using any freemarker context objects or by importing any special configuration files?

For e.x.: If we have a requirement on TKB Article Page and Forum Topic Page where users can reply to post/comment to article/discussion using their email client by clicking a link(lets say "Reply by Email") on those pages, we need a similar "To" address that lithium is currently generating in subscription emails("Reply" link).

Your help could be highly appriciated.

Thanks & Regards,
Phani