http://www.mail-abuse.com/cgi-bin/lookup
http://relays.osirusoft.com/cgi-bin/rbcheck.cgihttp://openrbl.org/
http://www.spamhaus.org/sbl/index.lasso
推薦 使用 http://www.mxtoolbox.com/blacklists.aspx
可查dns .blacklist 等網址
http://www.robtex.com/
發不到live mail 請到以下網站查詢狀況.
https://www.senderscore.org/