As with the Google Analytics tracking code, all instances of webmaster@eaa.org needed to be changed to webmaster@iac.org, accomplished as follows:
cd /var/www/old-site
find public members -name '*.html' | while read f
do
echo $f
ed "$f" << EOFEOF
g/webmaster@eaa.org/s//webmaster@iac.org/g
w
q
EOFEOF
done
