I tried as your site directs, but here is what I get
[lof@localhost ~]$ su
Password:
[root@localhost lof]# rpm --import
http://download.fedora.redhat.com/pu...-Fedora-Extras
[root@localhost lof]# yum install mail-notification
Setting up Install Process
Setting up repositories
development 100% |=========================| 1.1 kB 00:00
http://fr2.rpmfind.net/linux/fedora/...ta/repomd.xml: [Errno 4] IOError: HTTP Error 404: Date: Fri, 27 May 2005 00:39:34 GMT
Server: Apache/2.0.52 (Fedora)
Last-Modified: Sun, 18 Feb 2001 10:07:03 GMT
ETag: "d7a4d-1b2-f87fffc0"
Accept-Ranges: bytes
Content-Length: 434
Content-Type: text/html; charset=ISO-8859-1
X-Pad: avoid browser bug
Trying other mirror.
Cannot open/read repomd.xml file for repository: extras
failure: repodata/repomd.xml from extras: [Errno 256] No more mirrors to try.
[root@localhost lof]#