On Sun, Feb 8, 2009 at 1:17 PM, Victor Duchovni <victor.ducho...@morganstanley.com> wrote: > On Sun, Feb 08, 2009 at 01:01:49PM +0800, jan gestre wrote: > >> New logs with reject_rbl_client sbl-xbl.spamhaus.org added to main.cf >> >> >> eb 8 12:49:52 kartero postfix/smtpd[6465]: NOQUEUE: reject: RCPT from >> web57902.mail.re3.yahoo.com[68.142.236.95]: 554 5.7.1 Service >> unavailable; Client host [68.142.236.95] blocked using >> sbl-xbl.spamhaus.org; from=<jan.ges...@yahoo.com> >> to=<jan.ges...@ddbphil.com> proto=SMTP >> helo=<web57902.mail.re3.yahoo.com> > > Your DNS server is fabricating A records for non-existent hosts. The > real spamhaus would have also returned a TXT record with a URL for > looking up the reason for the block. > > Don't use ISP DNS servers that fabricate A records. >
I'm not using our ISP's DNS , I'm using OpenDNS, I'm using OpenDNS since way back it's only now that I'm getting this strange behavior in my SMTP server.
