https://pharos.email/blog Technical writing about email authentication, sender reputation and why messages end up in the wrong folder. en https://pharos.email/blog/why-password-resets-land-in-spam https://pharos.email/blog/why-password-resets-land-in-spam A message can pass SPF and pass DKIM and still fail DMARC, because alignment asks a different question than either of them. Here is how to tell which check is failing and why. deliverability Thu, 10 Sep 2026 00:00:00 GMT https://pharos.email/blog/sending-email-from-n8n-safely https://pharos.email/blog/sending-email-from-n8n-safely Automation platforms make it trivial to send mail and equally trivial to send it from an unauthenticated host at three in the morning. What to configure, and what to check afterwards. integration Sat, 29 Aug 2026 00:00:00 GMT https://pharos.email/blog/reverse-dns-rots-quietly https://pharos.email/blog/reverse-dns-rots-quietly Forward-confirmed reverse DNS is set once and then forgotten. When a provider reassigns an IP nothing errors — mail that delivered fine last quarter simply starts getting filtered. operations Fri, 21 Aug 2026 00:00:00 GMT