# Explaining SPF Record Syntax: Mechanisms, Qualifiers, Modifiers, and Macros

This article provides a technical breakdown of Sender Policy Framework (SPF) record syntax, covering its core components: mechanisms, qualifiers, modifiers, and macros. It helps email administrators and developers understand how to correctly construct and parse SPF records to prevent email spoofing. The guide is useful for those configuring email authentication.

**Importance:** 2/5

## Sources

### Technology
- [Hacker News](https://dmarcguard.io/blog/spf-record-syntax/) — Mon, 03 Aug 2026 13:34:25 +0000