Your concern was valid because the existence of SPF checker. If 


you forward an email comes from a domain with proper SPF record 
your IP doesn't listed in their sender SPF record
the receiver use SPF record as a factor to identifying spam


then yes, you may have error message SPF fail and the email end up in Spam Folder.

SPF community acknowledge this problem, and they propose Sender Rewriting Scheme (SRS) to workaround this problem. Basically it will rewrite the original sender domain to your domain before forwarding it alias address. For postfix, you can use postsrsd (Postfix Sender Rewriting Scheme daemon) by roehling to implement SRS.

Forwarding mail to different mail system in Postfix
I'd like to create an "All Posts" page on the Ocean Bytes blog that contains an unordered list of all Titles of the posts to date, with each title hyperlinking to its blog post.

There appear to be several plugins that do something like this, but most do not list Wordpress 3.0+ as supported yet, or they want to subset the blog postings by Year and then Month which is not desired.

Any suggestions for the "best way"?

Thx.
