Posts tagged

Deliverability


AOL Changes DMARC Policy

A couple weeks ago, Yahoo changed its DMARC policy to stop fraudulent emails. In response, many email receivers started bouncing emails with Yahoo.com From addresses sent from non-Yahoo servers. Yesterday, AOL announced the same change to its DMARC policy, and we expect to see similar results. Like the Yahoo change, this will only affect senders …

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 …

Where Spam Traps Come From and How They Work

Regardless of how spam is technically defined, we can probably agree it’s unwanted email, and we don’t like it. (Unless you send spam, and then you can go TOS yourself.) In the fight against spam, some organizations use spam traps to find and block spammers. A spam trap is an email address that’s not actively used, but …

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 …

How We Use Engagement to Deliver Email

If you read our deliverability posts closely, you’ll know MailChimp does something called engagement-based routing. It sounds like throwaway jargon that’s meant to impress you without providing any details. However, I’m here to provide some details. Booyah! (Was that inappropriate? Hmm, moving on…) You can think of engagement-based routing as a reward for high member …