Hi Roger, It seems that the dns reverse to forward check is failed.
> nslookup 69.2.200.182 182.200.2.69.in-addr.arpa name = host182.69.2.200.maximumasp.com. > nslookup host182.69.2.200.maximumasp.com. ** server can't find host182.69.2.200.maximumasp.com: NXDOMAIN > > mx.hispeed.ch. - 62.2.95.11 [Could not connect: Got an unknown RCPT > > TO response: 451 4.1.8 Possibly forged hostname for 69.2.200.182] Cheers Erich -- * Erich Hohermuth IP Engineer - SolNet (AS 9044) PGPKEY-46A08FCB * ---------------------------------------------- [EMAIL PROTECTED] Maillist-Archive: http://www.mail-archive.com/swinog%40swinog.ch/