Redirect blog post links from old site to new?

Hi, I have two sites which are both running WordPress. Site #1 used to have a blog section, but I’ve moved the blog over to Site #2.

I’m trying to redirect the old blog post links from site #1 to site #2, but I’m having trouble getting this to work, because it’s not a universal redirect: it needs to be specifically for blog posts only.

So domain1.com/contact should not redirect to domain2.com/contact, but domain1.com/2009/10/11/blog-post should redirect to domain2.com/2009/10/11/blog-post.

If there’s a way to do this, I’d appreciate the help. Thanks!