I am using Bluehost.com and I keep getting this message when I reply to craigslist ads: <[email protected]>: 126.96.36.199 does not like recipient. Remote host said: 554 <unknown[188.8.131.52]>: Client host rejected: rDNS/DNS validation failed. Please setup matching DNS and rDNS records: http://bind8nt.meiway.com/itsaDNSmess.cfm Giving up on 184.108.40.206. Does anyone know how to fix this issue??? Your help would be much appreciated!!!