text_combined: michele neylon blacknight ishsapkblacknightie steve mcconville wrote spf dubious effectiveness would recommend challengeresponse spf antiphishing focussed antispam though lot people still havent really understood purpose confuse mr michele neylon blacknight solutions hosting colocation brand protection httpwwwblacknighteu httpblogblacknighteu tel 1850 929 929 intl 353 0 59 9183072 direct dial 353 059 9183090 fax 353 0 1 4811 763 blacknight internet solutions ltd unit 12abarrowside business parksleaty roadgraiguecullencarlowireland company 370845 thu 07 aug 2008 192203 0000 ilug advice antispam strategyblocking software