[root@mail ~]# cat /var/log/sa-update.log
Waiting for the process [9233] to terminate
Waiting for the process [10860] to terminate
Waiting for the process [12392] to terminate
Waiting for the process [14409] to terminate
Waiting for the process [16356] to terminate

[root@mail ~]# cat /usr/share/spamassassin/sa-update.cron
#!/bin/bash
# *** DO NOT MODIFY THIS FILE ***
#
# /etc/mail/spamassassin/channel.d/*.conf
#     Place files here to add custom channels.
#

# Proceed with sa-update if spam daemon is running or forced in /etc/sysconfig/sa-update
unset SAUPDATE
[ -f /etc/sysconfig/sa-update ] && . /etc/sysconfig/sa-update
for daemon in spamd amavisd; do
    /sbin/pidof $daemon >& /dev/null
    [ $? -eq 0 ] && SAUPDATE=yes
done
[ -f /var/run/mimedefang.pid ] && SAUPDATE=yes

# Skip sa-update if daemon not detected
[ -z "$SAUPDATE" ] && exit 0

# sa-update must create keyring
if [ ! -d /etc/mail/spamassassin/sa-update-keys ]; then
    sa-update
fi

# Initialize Channels and Keys
CHANNELLIST=""
KEYLIST=""
# Process each channel defined in /etc/mail/spamassassin/channel.d/
for file in /etc/mail/spamassassin/channel.d/*.conf; do
    [ ! -f "$file" ] && continue
    # Validate config file
    PREFIXES="CHANNELURL KEYID BEGIN"
    for prefix in $PREFIXES; do
        if ! grep -q "$prefix" $file; then
            echo "ERROR: $file missing $prefix"
            exit 255
        fi
    done
    . "$file"
    #echo "CHANNELURL=$CHANNELURL"
    #echo "KEYID=$KEYID"
    CHANNELLIST="$CHANNELLIST $CHANNELURL"
    KEYLIST="$KEYLIST $KEYID"
    sa-update --import "$file"
done

# Sleep random amount of time before proceeding to avoid overwhelming the servers
sleep $(expr $RANDOM % 7200)

unset arglist
# Run sa-update on each channel, restart spam daemon if success
for channel in $CHANNELLIST; do
    arglist="$arglist --channel $channel"
done
for keyid in $KEYLIST; do
    arglist="$arglist --gpgkey $keyid"
done
/usr/bin/sa-update $arglist
if [ $? -eq 0 ]; then
    /sbin/service spamassassin condrestart > /dev/null
    [ -f /etc/init.d/amavisd ] && /sbin/service amavisd condrestart > /dev/null
    [ -f /var/run/mimedefang.pid ] && /sbin/service mimedefang reload > /dev/null
fi