Archive for the 'Deliverability' Category

Another Advantage of Feedback Loops

Wednesday, February 20th, 2008

A blog entry at Word To The Wise talks about a new exploit discovered in the IronPort A60 series:
IronPort Open Relay Vulnerability
Systems Affected
IronPort A60 running software version 2.5.4-005. According to IronPort, later devices and software versions using the same filtering mechanisms are vulnerable.
Overview
In recent weeks, one or more rogue spammers have been using misconfigured IronPort […]

Posted in Deliverability | No Comments »

Mail Filters Are Apolitical

Monday, October 15th, 2007

Recently Digg linked to an article titled ‘Comcast Caught Filtering Political E-Mails‘.
The short version is that an online special interest group noticed that they were having issues with mail not being delivered when sent to Comcast addresses. They then worked their way though the Comcast abuse department to finally find that Symantec’s Brightmail was filtering […]

Posted in Deliverability, E-mail Marketing | 3 Comments »