fix send mail

Author: lexoyo

README.md

@@ -131,7 +131,7 @@ You can provide a site name to be used in the email subject and body.
 
 ### Docker
 
-You can use the docker image to run the serverless form server.
+You can use the [docker image available on docker hub](https://hub.docker.com/repository/docker/lexoyo/serverless-forms) to run the serverless form server.
 
 ```
 docker run -e EMAIL_USER="username" \

lib/email.js

@@ -5,10 +5,10 @@ function createTransporter(mailOptions) {
     host: mailOptions.host,
     port: Number(mailOptions.port),
     secure: mailOptions.port === '465',
-    auth: mailOptions.user && mailOptions.pass && {
+    auth: mailOptions.user && mailOptions.pass ? {
       user: mailOptions.user,
       pass: mailOptions.pass,
-    },
+    } : undefined,
   });
 }
 

lib/index.js

@@ -2,7 +2,7 @@ import 'dotenv/config';
 import startServer from './server.js';
 
 if (!process.env.EMAIL_HOST || !process.env.EMAIL_PORT || !process.env.EMAIL_USER || !process.env.EMAIL_PASS || !process.env.TO) {
-  console.log('Missing required env vars. Please set EMAIL_HOST, EMAIL_PORT, EMAIL_USER, EMAIL_PASS and TO.');
+  console.error('Missing required env vars. Please set EMAIL_HOST, EMAIL_PORT, EMAIL_USER, EMAIL_PASS and TO.');
   process.exit(1);
 }
 

lib/post.js

@@ -77,12 +77,7 @@ export async function handleForm(fields, refererHeader, options) {
     return;
   }
   const referer = fields[options.siteField] || refererHeader || 'your website';
-  console.log('Received form submission', { fields, referer, options });
   const html = generateEmailBody(fields, referer, options);
   const to = getRecipient(fields, options);
-  await sendMail(html, to, `New form submission on ${referer}`, {
-    host: options.mail.host,
-    port: options.mail.port,
-    user: options.mail.user,
-  });
+  await sendMail(html, to, `New form submission on ${referer}`, options.mail);
 }