Posts tagged

Returnpath


New Mobile Device Previews Added

As of today, MailChimp’s Inbox Inspector (powered by Return Path) has added support for four new mobile environments; iPhone, Windows Mobile 6.5, Nokia/Symbian and Blackberry Curve. Inbox Inspector makes it one-click easy for you to generate screenshots showing how your email will render in the major desktop, web-based and mobile email apps.

Average Delivery Rate is 56% for Legit Senders

ReturnPath just released their 2008 Q2 Reputation Benchmark Report. There’s a lot of great data to digest here. Only about 20% of email servers out there are properly setup and can be considered "legit" email senders. Your Sender Score can be closely correlated with your Delivered Rate (something I assumed in this blog post, but …

ISPs Switching to ReturnPath’s Feedback Loop?

Most of the major ISPs have some sort of feedback loop (FBL) in place, where their users can report spam (learn more about feedback loops, and how they can affect your deliverability). Email marketing services like MailChimp have to sign up for all those ISPs’ feedback loops, so we can properly clean our users’ lists …

Should You Send from a Dedicated IP Address?

We’re getting more questions from customers with large email lists about sending their campaigns from a dedicated IP address, vs. using MailChimp’s "shared" pool of IPs. They want to know if their deliverability will be any better if they use a dedicated IP. It’s not a question we can answer with a simple "yes" or …

Email Authentication by ISP

A few of our customers have been asking us about this bit of news from ReturnPath: AOL Changes Authentication and Whitelist Standards. According to George Bilbrey, AOL, Gmail, and Yahoo have implemented DKIM email authentication. For those of you who don’t know, authentication is a way to prevent email forgeries, and it can improve your …