Hey there, I have installed wordpress multisite and domain mapping plugin.
The problem is with the www...if i setup the multisite without www and i access the site without www everything works fine But if i access it without www, it reddirects to the main site. Any ideea why? Ty
Maybe this could help you
http://wordpress.org/support/topic/plugin-wordpress-mu-domain-mapping-add-an-www-prefix?replies=7
Edit: Actually, I found a non-coding easier solution. In the 'Super Admins -> Domains' page, add both the www. and non-www. versions of the domain, but select the box of 'primary' for if you want to mainly use for www. or non-www. and both will be assigned to the blog.
This is the setup that has worked for me:
For each site that you want to default to www (except the primary)
(Please note that you have to make sure beforehand that your domain is working with and without www)