How to create an Email Preview link to non Responsys users

Summary:

I want to create a reference of all our LIVE email campaigns so people in the company (not Responsys users) may preview the emails.
I though on using the "View Online" link generated by Responsys through href="${form(campaign.name,{'usedb':true,'format':'H'})} but the link doesn't work in most cases, and I also believe it expires.
Any Ideas?
Thanks

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