I added my email address to the SwishSpiderConfig.pl.  The output of this is below.
cat SwishSpiderConfig.pl

my %main_site = (
            base_url   => 'http://10.10.10.10/',
            email      => 'allen.lung@ftb.ca.gov',
        );


        my %news_site = (
            base_url   => 'http://10.10.10.11/doc',
            email      => 'allen.lung@ftb.ca.gov',
        );

        @servers = ( \%main_site, \%news_site );
        1;



swish-e -S prog -c swish.conf
Indexing Data Source: "External-Program"
Indexing "/app/swish/lib/swish-e/spider.pl"
External Program found: /app/swish/lib/swish-e/spider.pl
/app/swish/lib/swish-e/spider.pl: Reading parameters from '/var/www/cgi-bin/SwishSpiderConfig.pl'

Warning: Substituted 6741 embedded null character(s) in file 'http://10.10.10.10/ghgmemo.doc' with a newline


Warning: Unknown header line: '                        ­
                                &Â9Ã5ÃY¾j!f\0Â8ÂîV³ÂF  ' from program /app/swish/lib/swish-e/spider.pl
                           }' from program /app/swish/lib/swish-e/spider.pl
Ã¥ÃÃH(¿Â]ôhPå±bàçäÃe: 'Ãñõ©úT
Warning: Unknown header line: '&a÷'n8DíÃ
ÃÃÂ4¤ª¢ñ«-B^ÿõ$`ÂJ?DóÃ

Warning: Unknown header line: '#<' from program /app/swish/lib/swish-e/spider.pl
err: External program failed to return required headers Path-Name:
.
root@localhost cgi-bin# 6c

-----Original Message-----
From: Bill Moseley [mailto:moseley@hank.org]
Sent: Monday, March 22, 2004 4:40 PM
To: Lung.Allen
Cc: Multiple recipients of list
Subject: Re: Multiple web sites


On Mon, Mar 22, 2004 at 04:34:49PM -0800, Lung.Allen wrote:
> root(at)not-real.localhost /#spider.pl default http://10.10.10.10/

Are you sure you want to run that as root?

> External Program found: /app/swish/lib/swish-e/spider.pl
> /app/swish/lib/swish-e/spider.pl: Reading parameters from '/var/www/cgi-bin/SwishSpiderConfig.pl'
> LWP::RobotUA from address required at /app/swish/lib/swish-e/spider.pl line 262

You need to supply a from email address in the spider config:

   email => 'Allen.Lung@ftb.ca.gov',


-- 
Bill Moseley
moseley@hank.org