Posts by

Matthew


Gmail’s New Unsubscribe Link and Feedback Loop

You may have noticed a new unsubscribe link at the top of your campaigns in Gmail. Behind the scenes, they’re also adding a quasi-feedback loop to let ESPs like MailChimp know how many spam complaints our users are seeing. While I’m not sure if they planned it this way, I like to think these two …

How Gmail Tabs Affect Your Email Marketing: An Update

More than half a year has passed since Gmail announced the new tabbed inbox. My initial research hinted that open rates took a hit, but at that point I was just looking at a few weeks’ worth of opens. Now that things have settled down, we can look at months’ worth of all kinds of …

How Gmail’s Image Caching Affects Open Tracking

A few days ago, the Gmail folks changed how they display images in their emails. In the past, Gmail would make a request for an image every time an email was opened. But now they temporarily store those images—even the one we use for open tracking. You may know this already, but along with most …

How Gmail’s New Inbox Is Affecting Open Rates

I wanted to understand the impact of Gmail’s new tabbed inbox, so I dug deep into our database and pulled every delivery to Gmail for the past year and half. That amounts to 12.5 billion emails and more than 2 billion unique opens. It can be difficult to measure small changes in delivery because there …

Yahoo Is Recycling Email Addresses

UPDATE: 6/25/13 According to a recent statement by Yahoo, they’ll spend thirty days hard bouncing inbound traffic to any email address they plan to recycle on August 15th. That means you could see higher bounce rates on your list starting July 15th. Just so you know, many ISPs recycle dormant accounts into spam traps, and …