Hi > I have trouble setting up Postfix (2.1.4-5) sending mail (receiving > mail works fine) on an up to date sarge system. > > I have no local DNS-server running on that machine. DNS queries with > dig or host works fine! > > My Problem: When I try to send mail with Postfix (i.e. to > [EMAIL PROTECTED]), Postfix starts a correct DNS-query for the > MX-Record of web.de. (I have done a tcpdump to verify that). Postfix > also gets the correct answer (mx-ha01.web.de in this example). > > But than postfix didn't start a DNS-query for the A-Record of the > MX-Host (as I can see in the output from tcpdump). Instead Postfix > writes to syslog: > > Sep 28 17:34:56 host postfix/smtp[12455]: warning: no MX host for web.de has a valid > A record > > Why can Postfix start an correct DNS-query for the MX-Record but isn't > going to ask the DNS-server for the A-Record of the MX-Host?
I just had exactly the same problem, took about an hour to find the problem. Just before the problem first appears i remounted /var with the noexec flag. Remounting without this flag solved the problem. I hope this information helped you. cu Korbi -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
