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.
Matt 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 recent layoffs at AOL did affect the AOL Postmaster desk, and information I have received is that there was significant loss. As a result of the staff decrease, some changes have been made to the whitelisting and FBL processes. In order for a FBL to be approved it must meet the new FBL guidelines. In a nutshell, anyone wanting to get a FBL from AOL must meet ONE of the following criteria.
Read MoreThe 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: