September 7, 2026
SPF, DKIM and DMARC Setup for Cold Email: The Whole Job in 40 Minutes
SPF DKIM DMARC setup for cold email: the exact records, the 10-lookup SPF limit, 2048-bit keys, and the DMARC policy to publish first. 40 minutes per domain.
Latest insights
September 6, 2026
Why Your Cold Emails Go to Spam: 11 Causes, Ordered by What Blocks You First
Why are my cold emails going to spam? Usually authentication, not copy. The 11 real causes, ranked by what blocks you first, with the exact fix for each one.