v1.50.93 — 2026-08-19¶
- feat(dkim): DKIM key age alert — scheduler checks daily at 09:00 whether active DKIM signing keys are older than
dkim_rotation_alert_daysdays (default: 90, 0 = disabled); exceeding keys trigger an admin alert (severity warn) with a 7-day cooldown per key; threshold configurable in Security Alerts → Alert Thresholds (migration 0129) (1.50.93)