About Email Headers
From: The sender's email address (visible to recipient)
Reply-To: Where replies should be sent (can be different from From)
Return-Path: Where bounces go (usually same as From)
SPF/DKIM/DMARC: Authentication mechanisms to prevent spoofing
Legitimate Uses of Reply-To:
- Customer support emails (replies go to support team)
- Newsletters (replies go to editor, not sender)
- Automated emails (replies go to human operator)
- Forwarding addresses (replies go to original sender)
Email Authentication:
| Protocol |
Purpose |
Status |
| SPF |
Lists authorized sending servers |
✓ Active |
| DKIM |
Cryptographic email signing |
✓ Active |
| DMARC |
Policy for handling failures |
⚠ Recommended |