Computer Help and Spyware Removal Computer Help and Spyware Removal Computer Help and Spyware Removal Computer Help Forums Windows Startup Programs Database Spyware and Malware Removal Guides Computer Tutorials Uninstall Database File Database Computer Glossary Computer Resources
 

Welcome Guest ( Log In | Click here to Register a free account now! )



Register a free account to unlock additional features at BleepingComputer.com
Welcome to Bleeping Computer, a free community where people like yourself come together to discuss and learn how to use their computers. Using the site is easy and fun. As a guest, you can browse and view the various discussions in the forums, but can not create a new topic or reply to an existing one unless you are logged in. Other benefits of registering an account are subscribing to topics and forums, creating a blog, and having no ads shown anywhere on the site.
Click here to Register a free account now! or read our Welcome Guide to learn how to use this site.

 
Reply to this topicStart new topic
> Barracuda Question, External email bouncing back
waggonera
post Feb 6 2008, 12:32 PM
Post #1


Member
**

Group: Members
Posts: 26
Joined: 18-January 08
Member No.: 184,384
This has been happening periodically...one of our end-users will send an email to an external recipient. They can have an email conversation. Then, without explanation, the end-user starts receiving messages like the one below when they try to send another message to the external address a day or two later. We've verified that the address is correct. How do we keep this from happening?

HERE'S THE MESSAGE:

This is the Spam Firewall at mail.hendricks.k12.in.us.

I'm sorry to inform you that the message below could not be delivered.
When delivery was attempted, the following error was returned.


<jbarxxxxxx@marian.xxx>: host sc04-311.marian.abc[8.15.7.xxx] said: 550
Hostname/Domain name not valid or not available. (in reply to RCPT TO
command)

Edit: Email addresses, IP's and domain names obfuscated for privacy and to foil spambots. ~ Animal
Go to the top of the page
 
+Quote Post
TMacK
post Feb 7 2008, 01:00 AM
Post #2


Bleepin' Mod
******

Group: Moderator
Posts: 4,623
Joined: 18-March 06
From: B.C. Canada
Member No.: 59,826
Hello waggonera,

When a Host name/Domain name is rejected, this indicates that the sender's public IP address has been added to the Barracuda's customizable blocklist.
Having never used Barracuda, how about trying their Support Center.


--------------------

Join Bleeping Computers Folding@home Team and Help find a cure.
I am thankful for laughter, except when milk comes out of my nose. ~Woody Allen
Go to the top of the page
 
+Quote Post
« Next Oldest · AntiVirus, Firewall and Privacy Products and Protection Methods · Next Newest »
 

Reply to this topicStart new topic
1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:

 

Display Mode: Standard · Switch to: Linear+ · Switch to: Outline

Track this topic · Email this topic · Print this topic · Subscribe to this forum

Lo-Fi Version Time is now: 9th January 2009 - 06:56 AM


Advertise   |   About Us   |   Terms of Use   |   Privacy Policy   |   Contact Us   |   Site Map   |   Chat   |   Tutorials   |   Uninstall List
Discussion Forums   |   The Computer Glossary   |   Resources   |   RSS Feeds   |   Startups   |   The File Database   |   Malware Removal Guides

© 2003-2008 All Rights Reserved Bleeping Computer LLC.

Powered By IP.Board © 2009  IPS, Inc.