ReturnPath announced yesterday that SenderScore Certified now covers 1.2 billion inboxes, including mail handled by Hotmail, Time Warner Cable, GoDaddy and eventually Yahoo. A number of filters are also using SSC, including Spam Assassin, IronPort Systems, Barracuda Networks and Cloudmark.
Mark Brownlow links to a number of marketing and delivery blogs over at his website. Different perspectives and different thoughts will give you the tools to create the best email marketing campaign for your business.
Read MoreMatt posted a discussion of the portability of IP reputation over at his EmailKarma blog.
I have heard about Hotmail/MSN’s claim that if you add your new IPs to your SPF/SenderID record and send from your old IPs that your old IP reputation will transfer to your new IPs. I’ve not heard it working in practice, but it really can’t hurt to add your new IPs to your records as soon as you know what they are.
The MAAWG Sender Subcommittee has published a Sender Best Current Practices document.
This document details what the current best practices in the sending industry are. Summarized the document says: