first commit

internal/smtp/auth.go

@@ -0,0 +1,11 @@
+package smtp
+
+import (
+	"gomail/internal/auth"
+	"gomail/internal/db"
+)
+
+// authenticate is a thin wrapper over the shared auth package, scoped to SMTP.
+func authenticate(database *db.DB, username, password string) (*db.User, bool) {
+	return auth.Authenticate(database, username, password, auth.ScopeSMTP)
+}