View Single Post
  #8  
Old 26th December 2011, 11:53
falko falko is offline
Super Moderator
 
Join Date: Apr 2005
Location: Lüneburg, Germany
Posts: 41,701
Thanks: 1,900
Thanked 2,745 Times in 2,578 Posts
Default

Quote:
Dec 23 01:12:32 25612-21212 postfix/smtpd[4023]: warning: 27.105.1.210: hostname 27-105-1-210-adsl-TPE.dynamic.so-net.net.tw verification failed: Name or service not known
Do you have valid nameservers in /etc/resolv.conf?

Where is your server located? In a data center, or maybe on a DSL line with a dynamic IP?
__________________
Falko
--
Download the ISPConfig 3 Manual! | Check out the ISPConfig 3 Billing Module!

FB: http://www.facebook.com/howtoforge

nginx-Webhosting: Timme Hosting | Follow me on:
Reply With Quote