Five Shopify shops took my money and sent no confirmation. Here's why Gmail, Yahoo, and Apple drop unauthenticated order emails, and the DKIM, SPF, and DMARC fix.

Three months. Dozens of emails. One question about a dog bed.

The business never got me an answer — because they didn't have the systems to get one. New post on why product documentation isn't optional when you're making claims about what your product is made from.

A slow support thread, a missing payment link, and a phone no one answered. Here's what really goes wrong when your ecommerce systems don't talk to each other.