301 redirect from self hosted to old site on blogger

Hi!
I recently went back to a self hosted wordpress site (multisite, really) and one of my blogs I started fresh with.

I’ve blogged on blogger (blogspot.com) for a while and I decided that I wanted to start fresh, so all of my old posts (even old wp posts, converted to blogger posts) are still there and shall remain there as well. My new blog has the same url, though but none of the old posts.

How do I do a proper redirect to all of those other posts that are on blogger? I still would like them to be searchable on google etc, but it’s not an active blog any longer.

Is there a plugin for this, or can I write something in my .htaccess file?

The reason I’m asking this is that I don’t wanna loose SEO etc and that my blog will get lost on the web.