Add replyTo field support (#41)

Co-authored-by: Dawid Dziurla <dawidd0811@gmail.com>

README.md

@@ -23,6 +23,8 @@ An action that simply sends a mail to multiple recipients.
     cc: kyloren@example.com,leia@example.com
     # Optional blind carbon copy recipients
     bcc: r2d2@example.com,hansolo@example.com
+    # Optional recipient of the email response
+    reply_to: luke@example.com
     # Optional unsigned/invalid certificates allowance:
     ignore_cert: true
     # Optional content type (defaults to text/plain):

action.yml

@@ -35,6 +35,9 @@ inputs:
   bcc:
     description: Blind carbon copy recipients (separated with comma)
     required: false
+  reply_to:
+    description: An email address that will appear on the Reply-To field
+    required: false
   ignore_cert:
     description: Allow unsigned/invalid certificates
     required: false

main.js

@@ -41,6 +41,7 @@ async function main() {
         const to = core.getInput("to", { required: true })
         const cc = core.getInput("cc", { required: false })
         const bcc = core.getInput("bcc", { required: false })
+        const replyTo = core.getInput("reply_to", { 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 })
@@ -64,6 +65,7 @@ async function main() {
             to: to,
             cc: cc ? cc : undefined,
             bcc: bcc ? bcc : undefined,
+            replyTo: replyTo ? replyTo : undefined,
             subject: subject,
             text: contentType != "text/html" ? getBody(body, convertMarkdown) : undefined,
             html: contentType == "text/html" ? getBody(body, convertMarkdown) : undefined,