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mr_bo 17th May 2009 15:52

ispc3 client login
New install all up and resolving fine, just can't find the address for the client login, ispc2 was but what is it for ispc3?

Thanks in advance.

till 17th May 2009 16:46

mr_bo 17th May 2009 17:20

Thanks for that till, worked ok on an internal ip but the port mapping needed looking at and now all is fine.

mr_bo 18th May 2009 19:01

Email/DNS problem
Will carry on with this thread and hoping someone can help with an e-mail problem where some are getting through and some are not.

The ones not getting through show this error:-


The reason for the problem:
4.1.2 - Bad destination host 'DNS Soft Error looking up (MX) while asking recursive_nameserver0.parent. Error was: unable to reach nameserver on any valid IP'

DNS check shows all ok:-


CheckDNS.NET is testing

CheckDNS.NET is asking root servers about authoritative NS for domain
  Got DNS list for '' from K.GTLD-SERVERS.NET
  Found NS record:[], was resolved to IP address by 
  Found NS record:[], was resolved to IP address by 
  Domain has 2 DNS server(s) 

CheckDNS.NET is verifying if NS are alive
  DNS server[] is alive and authoritative for domain 
  DNS server[] is alive and authoritative for domain 
  2 server(s) are alive 

CheckDNS.NET checks if all NS have the same version
  All 2 your servers have the same zone version 2009051802 

CheckDNS.NET verifies www servers
  Checking HTTP server [] 
  HTTP server[] answers on port 80 
  Received: HTTP/1.1 200 OK (Server: Apache/2.2.3 (CentOS)) . . Welcome!. . . . . . . Welcome to . your website!. . . . . . For questions or problems please contact . support. .. . . . Powered by . ISPConfig. . . 

CheckDNS.NET tests mail-servers
  Domain has only one mail-server 
  Checking mail server (PRI=10) [] 
  Mail server[] answers on port 25 
  <<< 220 ESMTP Postfix
  >>> HELO
  <<< 250
  >>> MAIL FROM: <>
  <<< 250 2.1.0 Ok
  >>> RCPT TO: <>
  <<< 250 2.1.5 Ok
  >>> QUIT
  Mail server [] accepts mail for 
  All MX are configured properly

Not on any blacklist and didn't have this trouble using ubuntu/ispc2

Any ideas?

Thanks in advance.

till 18th May 2009 19:04

Please make sure that the dns servers listed in /etc/resolv.conf are valid an reachable by your server.

mr_bo 18th May 2009 20:19

/etc/resolv.conf said:-

nameserver (some random ip)
nameserver (some random ip)

changed to :-

nameserver (my static ip)
nameserver (my static ip)

And re-booted.

Is that correct?

till 18th May 2009 22:35

The nameserver must be a an accessible resolving nameserver. This is in almost all cases not your own IP. You will get the IP addresses of the nameservers from your ISP where you rented the server or the internet connection.

mr_bo 18th May 2009 22:38

The ispc3 server is here at my home address on my static ip

edit: have set the /etc/resolv.conf to the dns servers supplied by my isp

mr_bo 19th May 2009 10:02

Right, after much digging I changed the /etc/resolv.conf to OpenDNS server settings and my router,then subsequently received about 15 known missing e-mails.

Funny how I have been using the dns server supplied by my isp for almost a year and an ispc2 server 6 mths of that, then when I swap to ispc3 they dont work, tried pinging them from win cmd too and no response.

till 19th May 2009 10:20

Then the dns servers never worked. A ispconfig 2 instance can resolve domain names with bind as local resolver in case that the nameservers in the resolv.conf dont work while ispconfig 3 does not has a local resolver enabled by default.

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