Matthew

Matthew is a deliverability engineer at MailChimp. He manages our delivery team, visits anti-abuse vendors, and spends a lot of time thinking about Gmail.

MailChimp Holiday Email Volume

This past December, MailChimp sent 14.1 billion emails. Whoa. That’s up 72% from December 2013. Our largest sending day of 2014 was Cyber Monday, when our users sent 741 million emails. Our top hour was 11am EST that same day, when they sent 50 million emails. Cyber Monday and Black Friday both experienced larger growth rates than the month …

Cyber Monday and Email Volume

The holidays are fast approaching, which means life’s about to get super-busy for MailChimp and our customers. If you’re an e-commerce retailer, you’re probably already thinking about your Cyber Monday sales. And maybe you’re readying your holiday email strategy, too. But if not, plan to spend a little time over the next few weeks getting …

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 …