release: 1.5.0: Send-log retention configurable in panel Settings

Send-log retention is configurable from panel **Settings** (global administrator); `SEND_LOG_RETENTION_DAYS` seeds the initial default only.
Added:
  - Panel **Settings** (global administrator): **Send log retention (days)** —
Changed:
  - Deliveries list and delivery detail pages show the configured retention

Full detail: CHANGELOG.md (1.5.0).

cmd/panel/httpserver.go

@@ -96,8 +96,9 @@ func newPanel(cfg config, st *store.Store) (*web.Server, error) {
 		DNSResolvers:           cfg.dnsResolvers,
 		RateLimitMessagesPerIP: cfg.rateLimitMessagesPerIP,
 		RateLimitWindowSeconds: cfg.rateLimitWindowSeconds,
-		RetryPolicy:            retryPolicy,
-		InboundEnabled:         cfg.inboundEnabled,
+		RetryPolicy:                 retryPolicy,
+		InboundEnabled:              cfg.inboundEnabled,
+		SendLogRetentionEnvDefault: cfg.retentionDays,
 	}, cfg.setupTokenPath)
 }
 

cmd/panel/main.go

@@ -249,6 +249,10 @@ func run() error {
 		}
 	}
 
+	if err := st.EnsureSendLogRetentionDays(cfg.retentionDays); err != nil {
+		return fmt.Errorf("bootstrap send-log retention: %w", err)
+	}
+
 	var wg sync.WaitGroup
 	errc := make(chan error, 3)
 
@@ -258,7 +262,16 @@ func run() error {
 	}{
 		{"http", func(ctx context.Context) error { return serveHTTP(ctx, cfg, st) }},
 		{"journal-milter", func(ctx context.Context) error { return serveJournal(ctx, cfg, st) }},
-		{"log-tailer", func(ctx context.Context) error { return logtail.Run(ctx, cfg.mailLog, st, cfg.retentionDays) }},
+		{"log-tailer", func(ctx context.Context) error {
+			return logtail.Run(ctx, cfg.mailLog, st, func() int {
+				days, err := st.GetSendLogRetentionDays(cfg.retentionDays)
+				if err != nil {
+					log.Printf("send-log retention: %v", err)
+					return cfg.retentionDays
+				}
+				return days
+			})
+		}},
 	}
 
 	for _, r := range roles {