Help! I'm blocked at Hotmail! What do I do now?

If you’ve ever found yourself blocked at Outlook.com, the free mail service formerly known as Hotmail, you know that finding out where to start and what to do is confusing. I’ve created the following checklist and tips that any marketer or person sending email can follow to help them get delivered to the inbox. Check your bounce logs. If none of the mail you are sending is being accepted... Continue »

A Spammer's Little Black Book

In my last post, Spam – A Lucrative Parallel Economy in Europe, I wrote about the economics of spam according to a study by Prof. Dr. Thorsten Holz of Germany. Today I want to share more details from that study as well as a surprising discovery. When you think of spammer's databases of addresses, you may assume they're predominately populated with Hotmail, Gmail, Yahoo!, or large, European... Continue »

Commtouch to Implement Return Path’s Certified Whitelist to Help ISPs and Email Security Providers Identify Wanted Messages

Enhancement extends filtering capabilities of Return Path’s Certified Whitelist to 350 million Commtouch-protected inboxes worldwide, ensuring continued delivery of legitimate mail while keeping spam out McLean, VA – May 28, 2013 – As part of its partnership with Return Path, the global leader in email intelligence, Commtouch (NASDAQ: CTCH), a leading provider of Internet security technology and... Continue »

Message Systems and Return Path Partner to Combat Email Phishing for Financial Services Sector

Another exciting development for Return Path and our Domain Secure anti-phishing solution! Full press release below... Partnership Leverages Global Email Deliverability Platform and Email Intelligence to Optimize Message Deliverability and Protect Brands From Fraud COLUMBIA, MD, May 01, 2013 -- Message Systems, the leader in digital messaging software, has partnered with Return Path, the global... Continue »

How to Delist Your IPs at Spamhaus

Many companies often come to Return Path with the unfortunate problem of having IP addresses or domains listed on one of the most important spam blocklists around -- Spamhaus. Spamhaus’ mission is to track the Internet’s spam operations and sources and to provide real-time anti-spam protection for Internet networks. If Spamhaus listed your IP addresses or domains, it is because they see activity... Continue »