To block Spam bots from harvesting email addresses displayed on your website, drop this into your Lighttpd configuration file.

$HTTP["useragent"] =~ "^AdultGods" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^AIRF" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^BlackWidow" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^CherryPicker" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^ChinaClaw" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Custo" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^DISCo" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Download Demon" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^eCatch" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^EirGrabber" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^EmailCollector" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^EmailSiphon" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^EmailWolf" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Express WebPictures" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^ExtractorPro" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^EyeNetIE" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^FlashGet" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^GetRight" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^GetWeb!" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Go!Zilla" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Go-Ahead-Got-It" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^GrabNet" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Grafula" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^HMView" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^HTTrack" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Image Stripper" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Image Sucker" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Indy Library" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^InterGET" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Internet Ninja" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^iRider" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^JetCar" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^JOC Web Spider" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^KITV4.7 Wanadoo" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^larbin" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^LeechFTP" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Mass Downloader" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Microsoft URL Control" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^MIDown tool" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Miragorobot" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Mister PiX" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Navroad" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^NearSite" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^NetAnts" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^NetSpider" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Net Vampire" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^NetZIP" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^N_o_k_i_a" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^NICErsPRO" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Octopus" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Offline Explorer" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Offline Navigator" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^PageGrabber" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Papa Foto" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^pavuk" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^pcBrowser" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Popdexter" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^RealDownload" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^ReGet" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^SAFEXPLORER TL" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^SiteSnagger" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^SmartDownload" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^SuperBot" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^SuperHTTP" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Surfbot" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^SV1" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^tAkeOut" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Teleport Pro" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^VoidEYE" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^W3CRobot" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Web Image Collector" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Web Sucker" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebAuto" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebCopier" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebEMailExtrac.*" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebFetch" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebGo" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebLeacher" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebReaper" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebSauger" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Website eXtractor" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Website Quester" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebStripper" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WebWhacker" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Widow" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^WWWOFFLE" { url.access-deny = ( "" ) }
$HTTP["useragent"] =~ "^Xaldon WebSpider" { url.access-deny = ( "" ) }