ReferencePorts
Port 5434
MailSlurper, Email capture (dev only)
Port 5434, MailSlurper
Role: Email capture (dev only)
Exposure: dev only
Purpose
Captures outbound email in dev. Not in prod.
Security
Public exposure is expected, but defense-in-depth via Caddy.
Verify exposure
# From outside the VPS
nmap -p 5434 <vps-ip>
# Expected: depends on your firewall config