#12: implement Antispam & Antivirus scanning pipeline (Rspamd & ClamAV)

services/protocols/internal/application/port/content_scanner.go

@@ -0,0 +1,19 @@
+package port
+
+import (
+	"context"
+
+	"lambdamail/protocols/internal/domain/valueobject"
+)
+
+type ScanInput struct {
+	ClientIP   string
+	HeloDomain string
+	Sender     string
+	Recipient  string
+	Payload    []byte
+}
+
+type ContentScanner interface {
+	Scan(ctx context.Context, input ScanInput) (*valueobject.ScanResult, error)
+}