Inbox Thinking

The Alterable blog on email deliverability, personalization, and design. For marketers who want to understand the inbox, not just use it.
localized content

How Localized Content Can Skyrocket Your Email Engagement

A few years ago, I watched a European fashion retailer send the same summer sale email to their entire global list. Bikinis and sundresses landing in inboxes across Scandinavia, Southeast Asia, and South America, all at the same time, with the same imagery, the same copy, the same currency. The unsubscribe spike in regions where

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free spf dmarc record generators

We Just Added Two New Free Email Authentication Tools

For a long time, setting up SPF and DMARC records meant either copying a template from a support article and hoping the syntax was right, or paying for a platform that made it slightly less painful. Neither option was great, especially if you were a marketer who just needed to get authentication set up and

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