SMTP Header Inspector
IDLE
Hover or tap any inbound packet to inspect envelope sender, SPF/DKIM status, and Rspamd weight.
WAVE 1: MORNING TRAFFIC
Outbound SMTP Inspection & Deliverability Triage
You are on-call for MailBig's primary outbound SMTP cluster. Inspect live traffic across 4 fiber relay queues and enforce authentication rules before malicious or unencrypted payloads degrade our 99.9% Sender IP Reputation.
SPF: PASS · DKIM: VALID
Safe to reach the bottom relay automatically, or click / press [D] to Fast-Relay for bonus BW credits.
TLS: UNSIGNED · NEEDS PGP
Arrives unencrypted. Click/tap or press [E] to PGP Sign before it reaches the outbound relay.
SPF: FAIL · SPOOFED HEADER
High Rspamd score. Click/tap, right-click, or press [Z] / [Space] to Drop & Quarantine.
RATE: EXCEEDED · 50K WAVE
High-volume cold blast. Click/tap or press [F] to Rate-Limit at the firewall before queue congestion.
Outbound relay cluster suspended due to sender reputation falling below threshold.