diff --git a/testdata/logo.svg.base64.license b/testdata/logo.svg.base64.license
new file mode 100644
index 0000000..da2e7e7
--- /dev/null
+++ b/testdata/logo.svg.base64.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2022 Maria Letta, the go-mail Team
+
+SPDX-License-Identifier: CC-BY-ND-4.0
diff --git a/testdata/logo.svg.license b/testdata/logo.svg.license
new file mode 100644
index 0000000..da2e7e7
--- /dev/null
+++ b/testdata/logo.svg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2022 Maria Letta, the go-mail Team
+
+SPDX-License-Identifier: CC-BY-ND-4.0