Phase 4: Hardening

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blakeridgway

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Blacklist monitoring

phase-4

#42 opened 2026-04-16 20:56:43 -05:00 by blakeridgway

Deliverability testing (SPF/DKIM/DMARC pass verification)

phase-4

#41 opened 2026-04-16 20:56:41 -05:00 by blakeridgway

rspamd milter integration (optional)

phase-4

#40 opened 2026-04-16 20:56:39 -05:00 by blakeridgway

Greylisting (optional)

phase-4

#39 opened 2026-04-16 20:56:37 -05:00 by blakeridgway

Connection-level blocklist (IP deny list)

phase-4

#38 opened 2026-04-16 20:56:35 -05:00 by blakeridgway

Rate limiting on SMTP connections

phase-4

#37 opened 2026-04-16 20:56:34 -05:00 by blakeridgway