diff --git a/.gitattributes b/.gitattributes
index 284fc63..5d7abd8 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,5 @@
 *.eml filter=git-crypt diff=git-crypt
+*.mbox filter=git-crypt diff=git-crypt
 *.sec* filter=git-crypt diff=git-crypt
 *.key* filter=git-crypt diff=git-crypt
 secrets/** filter=git-crypt diff=git-crypt
diff --git a/project.mbox b/project.mbox
new file mode 100644
index 0000000..0063db1
Binary files /dev/null and b/project.mbox differ