[Sat Jul 28 13:59:10 2007] [error] [client 172.88.1.4] PHP Fatal error: 

require_once() [<a href=’function.require’>function.require</a>]:

Failed opening required ‘Mail/mimeDecode.php’

(include_path=’.:/usr/local/share/pear:/usr/local/share/smarty:./libs:’) in

/usr/local/www/maia-mailguard/mime.php on line 79, referer:    

http://172.88.1.5/maia-mailguard/welcome.php

try install pear mail

jedimaster# pear install mail
downloading Mail-1.1.14.tgz …
Starting to download Mail-1.1.14.tgz (17,537 bytes)
……done: 17,537 bytes
install ok: channel://pear.php.net/Mail-1.1.14
jedimaster# pear install mail_mime
Ignoring installed package pear/mail_mime
Nothing to install

Find other "mail" family :

jedimaster# pear search mime
Retrieving data…0%..Matched packages, channel pear.php.net:
=======================================
Package         Stable/(Latest) Local
Mail_Mime       1.5.2 (stable)  1.5.1 Mail_Mime provides classes to create mime messages.
Mail_mimeDecode 1.5.0 (stable)        Provides a class to decode mime messages.
MIME_Type       1.0.0 (stable)        Utility class for dealing with MIME types
jedimaster# pear install Mail_mimeDecode
downloading Mail_mimeDecode-1.5.0.tgz …
Starting to download Mail_mimeDecode-1.5.0.tgz (9,281 bytes)
…..done: 9,281 bytes
install ok: channel://pear.php.net/Mail_mimeDecode-1.5.0
jedimaster#

My bad 🙂

Its Mail_mimeDecode