If you are encountering problems with mail referencing ORDB.org on your Microsoft Exchange 2003 or 2007 server, or mail being blocked with a return message stating that the sender’s IP was on relays.ordb.org, please ensure that you do not have relays.ordb.org entry configured in the IMF settings. You MUST restart the SMTP Virtual Server to [...]
Starloop Blacklist
September 10, 2007 By
We have disabled lookups to the STARLOOP Blacklist. Our lookup tool is not checking Starloop as of 9 AM CST 9/10/07.Starloop began listing all IP Addresses sometime late Sunday evening. These listings are false positives. The Starloop website is down and the blacklist is now timing out. If you experience bounce backs as a result [...]
FLOWGO Goes Away
June 13, 2007 By
The FLOWGO RBL has gone offline. As a result all IP Addresses are now “listed.” Anyone who is using FLOWGO as an anti-spam measure on their server should remove it. If you receive a bounce message saying your mail was rejected due to listing on FLOWGO, please contact the recipient email administrator and advise them that FLOWGO [...]
Spamhaus DDOS SYN Flood Attack
June 8, 2007 By
How Legitimate IP Addresses Get Blacklisted
May 2, 2007 By
“I’m Not a Spammer, so why is my IP Address Blacklisted?” Everyday, legitimate email users find their outbound email flow blocked by recipient email servers using blacklists (aka Blocklists, RBLs) to block spam. Most of these users are shocked to find their IP Addresses on a list with IP Addresses used to flood the world’s [...]