157378 Cant see spacial characters

Greetings all! I have a new server in which the special characters are not showing, Im from mexico, and lots of my sites require special Insted of see this letters: áéíóúñ (the same problem happens with capital letters) I see this: � I have a Intel \ 2.4 Ghz \ P4 Celeron with: - Ensim Ensim Pro X for Linux 10.3 - Apache/2.2.3 (Red Hat) - Redhat Enterprise Linux - OS ES 5.0 (--build=i686-redhat-linux-gnu' '--host=i686-redhat-linux-gnu' ) - PHP 5.1.6 (cli) (built: May 4 2007 10:06:08) - mysql Ver 14.12 Distrib 5.0.22,