Blog tag

email authentication

OutboundXYZ articles for this outbound topic.

spf dkim dmarcAug 13, 2026202615 min read

SPF DKIM DMARC Explained: A Practical Setup Guide

SPF DKIM DMARC explained with DNS examples, alignment rules, and troubleshooting tips so cold email and outbound stacks actually land in the inbox.

email authenticationAug 1, 2026202615 min read

Discover how email authentication protocols like SPF, DKIM, and DMARC prevent spoofing and improve inbox placement in 2026.

The outbound tool memo.

One useful note when a tool is worth testing, skipping, or swapping out of your stack.