first commit

calcom/packages/lib/getAdditionalEmailHeaders.ts

@@ -0,0 +1,21 @@
+type EmailHostHeaders = {
+  [key: string]: {
+    [subKey: string]: string;
+  };
+};
+
+export function getAdditionalEmailHeaders(): EmailHostHeaders {
+  return {
+    "smtp.sendgrid.net": {
+      "X-SMTPAPI": JSON.stringify({
+        filters: {
+          bypass_list_management: {
+            settings: {
+              enable: 1,
+            },
+          },
+        },
+      }),
+    },
+  };
+}