diff --git a/README.md b/README.md
index 3796b6af..01c7d0a6 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,10 @@ An action that simply sends a mail to multiple recipients.
     body: file://README.md
     to: obiwan@tatooine.com,yoda@dagobah.com
     from: Luke Skywalker # <user@example.com>
+    # Optional carbon copy recipients
+    cc: kyloren@starkiller.com,leia@alderaan.com
+    # Optional blind carbon copy recipients
+    bcc: r2d2@jakku.com,hansolo@milleniumfalcon.com
     # Optional content type (defaults to text/plain):
     content_type: text/html
     # Optional converting Markdown to HTML (set content_type to text/html too):
diff --git a/action.yml b/action.yml
index c664315c..6a316dd6 100644
--- a/action.yml
+++ b/action.yml
@@ -29,6 +29,12 @@ inputs:
   from:
     description: Full name of mail sender (might be with an email address specified in <>)
     required: true
+  cc:
+    description: Carbon copy recipients (separated with comma)
+    required: false
+  bcc:
+    description: Blind carbon copy recipients (separated with comma)
+    required: false
   content_type:
     description: Content-Type HTTP header (text/html or text/plain)
     required: false
diff --git a/main.js b/main.js
index 37653a49..382cec33 100644
--- a/main.js
+++ b/main.js
@@ -37,8 +37,10 @@ async function main() {
         const password = core.getInput("password", { required: true })
         const subject = core.getInput("subject", { required: true })
         const body = core.getInput("body", { required: true })
-        const to = core.getInput("to", { required: true })
         const from = core.getInput("from", { required: true })
+        const to = core.getInput("to", { required: true })
+        const cc = core.getInput("cc", { required: false })
+        const bcc = core.getInput("bcc", { required: false })
         const contentType = core.getInput("content_type", { required: true })
         const attachments = core.getInput("attachments", { required: false })
         const convertMarkdown = core.getInput("convert_markdown", { required: false })
@@ -58,6 +60,8 @@ async function main() {
         const info = await transport.sendMail({
             from: getFrom(from, username),
             to: to,
+            cc: cc ? cc : undefined,
+            bcc: bcc ? bcc : undefined,
             subject: subject,
             text: contentType != "text/html" ? getBody(body, convertMarkdown) : undefined,
             html: contentType == "text/html" ? getBody(body, convertMarkdown) : undefined,