View Single Post
  #28  
Old 4th January 2012, 16:56
falko falko is offline
Super Moderator
 
Join Date: Apr 2005
Location: Lüneburg, Germany
Posts: 41,711
Thanks: 1,900
Thanked 2,702 Times in 2,545 Posts
Default

Quote:
Originally Posted by cbj4074 View Post
Any networking experts who can weigh-in here? How could the OP be getting these messages but at the same time be able to telnet to the host in question on port 25?
Looks like a blacklist issue. Please check at http://www.mxtoolbox.com/blacklists.aspx
__________________
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