# FedEx's Lax Email Authentication Fuels Phishing Attacks

Researchers found that FedEx's email infrastructure fails to enforce DMARC properly, letting attackers send convincing phishing emails from legitimate FedEx domains. The issue persists, showing why trusting familiar brand names can still lead to security breaches. This matters because exploited brand trust bypasses common email defenses.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://www.troyhunt.com/thanks-fedex-this-is-why-we-keep-getting-phished/) — Tue, 04 Aug 2026 21:09:39 +0000