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Fifty questions for Spamhaus, with our answers 15 Mar 2013 | 10:19 pm
Ken Magill, who writes a weekly marketing blog called “The Magill Report”, recently solicited his readers to submit questions for Steve Linford, principle at Spamhaus. Ken’s readers sent in 51 questio...
New Screencast: Outbound spam filtering for hosting providers 12 Mar 2013 | 03:30 am
Watch MailChannels CEO, Ken Simpson, talk about outbound spam from the web hosting perspective. Learn how the MailChannels platform identifies and blocks spam, leading to a “blacklist free network”. T...
New Screencast: MailChannels transparent antispam introduction for ISPs 9 Mar 2013 | 12:37 am
MailChannels CEO introduces our transparent outbound spam filtering technology in an informative five minute screencast. Click below to view:
World’s largest spam sources are all hosting companies 2 Mar 2013 | 03:47 am
Over the past twelve months, there has been a dramatic shift in the world’s spam. Whereas twelve months ago, much of the world’s spam originated from botnet-controlled PCs on ISP networks, most of the...
Release 2.5 Announcement 13 Dec 2012 | 02:04 am
MailChannels has released its version 2.5 email filtering platform. This blog post describes what's new in 2.5.
AOL accidentally rejects millions of messages 16 Oct 2012 | 11:46 pm
AOL started rejecting connections instead of temp-failing them, under certain conditions. This has resulted in a major increase in non-delivery receipts worldwide.
Why is Verizon blocking my mail with “571 Email from 1.2.3.4 is currently blocked by Verizon Online’s anti-spam system.” 6 Oct 2012 | 03:24 am
We demystify the 571 error code sometimes returned by Verizon's mail servers.
How web hosting providers can battle fraudulent sign-ups 3 Oct 2012 | 02:08 am
Spamhaus recently released an excellent guide for hosting providers describing how to avoid signing up fraudulent customers. In this blog post, we summarize Spamhaus' recommendations.
Why did AOL just send me “554 (RTR:BL) http://postmaster.info.aol.com/errors/554rtrbl.html”? 2 Oct 2012 | 08:13 pm
We discuss why AOL's mail servers sometimes respond with the error message "554 (RTR:BL)" and what you can do about this error message to get email flowing again to AOL users.
How Botnets Send Spam (In Layman’s Terms) 1 Oct 2012 | 08:46 pm
A guest blogger describes how and why spammers use bot nets to send spam.
