feat: add custom email headers (#260)

2025-09-28 21:33:45 +10:00
parent 1a00999bf0
commit 890ad72057
15 changed files with 202 additions and 30 deletions
@@ -57,8 +57,13 @@ icon: node-js
      subject: "useSend email",
      html: "<p>useSend is the best open source product to send emails</p>",
      text: "useSend is the best open source product to send emails",
+      headers: {
+        "X-Campaign": "welcome",
+      },
    });
    ```
+
+    > Custom headers are forwarded as-is. useSend only manages the `X-Usesend-Email-ID` and `References` headers.
  </Step>
 </Steps>