Here's the error I'm getting on fresh install of 3.5
==================================================== retrygrab() failed for:
http://mirror.centos.org/centos/3/updates/i386//headers/php-imap-0-4.3.2-24.... Executing failover method failover: out of servers to try Error getting file http://mirror.centos.org/centos/3/updates/i386//headers/php-imap-0-4.3.2-24.... [Errno 4] IOError: HTTP Error 404: Not Found