feat: switch from sendmail to SMTP-based sending (#94)

* wip

* wip

* wip

* fix

Author: TheAlexLichter

functions/contact.js

@@ -1,21 +1,23 @@
 /* eslint-disable no-console */
-import { promisify } from 'util'
-import sendmail from 'sendmail'
+import nodemailer from 'nodemailer'
 import validator from 'validator'
 import xssFilters from 'xss-filters'
 
 const shouldSend = process.env.SEND_MAIL
 
-const noop = () => {}
-const sendmailOptions = {
-  logger: {
-    debug: noop,
-    info: noop,
-    warn: console.warn,
-    error: console.error
+const NODEMAILER_INFO = {
+  host: process.env.SMTP_HOST,
+  port: process.env.SMTP_PORT || 465,
+  secure: process.env.SMTP_SECURE ? Boolean(process.env.SMTP_SECURE) : true,
+  auth: {
+    user: process.env.EMAIL_USER,
+    pass: process.env.EMAIL_PASSWORD
   }
 }
-const pSendMail = promisify(sendmail(sendmailOptions))
+
+const SMTP_DEFAULT_FIELDS = {
+  from: 'Developmint <no-reply@developmint.de>'
+}
 
 exports.handler = async (event) => {
   if (event.httpMethod !== 'POST') {
@@ -55,12 +57,33 @@ const validateAndSanitize = (key, value) => {
   return rejectFunctions.hasOwnProperty(key) && !rejectFunctions[key](value) && xssFilters.inHTMLData(value)
 }
 
-const sendMail = (name, email, msg) => pSendMail({
-  from: email,
-  to: process.env.MAIL_TO,
-  subject: 'New contact form message',
-  text: msg
-})
+const sendMail = async (name, email, msg) => {
+  const transporter = nodemailer.createTransport(
+    {
+      ...NODEMAILER_INFO,
+      logger: {
+        debug: () => {},
+        info: () => {},
+        warn: console.warn,
+        error: console.error
+      },
+      debug: shouldSend
+    },
+    SMTP_DEFAULT_FIELDS
+  )
+
+  // Message object
+  const message = {
+    replyTo: email,
+    to: process.env.EMAIL_TO,
+    subject: `New contact form message from ${email}`,
+    text: msg
+  }
+
+  await transporter.sendMail(message)
+
+  console.log('Message sent successfully!')
+}
 
 const sendMailDev = (...args) => {
   console.log(...args)

package.json

@@ -21,12 +21,12 @@
     "@nuxtjs/tailwindcss": "^1.1.2",
     "eslint-plugin-nuxt": "^0.4.3",
     "intersection-observer": "^0.7.0",
+    "nodemailer": "^6.3.0",
     "nuxt-edge": "^2.10.0-26123052.0daaf87c",
     "nuxt-i18n": "^6.1.1",
     "nuxt-svg-loader": "^1.0.1",
     "nuxt-webfontloader": "^1.1.0",
     "postcss-nested": "^4.1.2",
-    "sendmail": "^1.6.1",
     "shifty": "^2.8.0",
     "validator": "^11.1.0",
     "vue-cookieconsent-component": "^1.2.0",

yarn.lock

@@ -1719,11 +1719,6 @@ acorn@^7.0.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.0.0.tgz#26b8d1cd9a9b700350b71c0905546f64d1284e7a"
   integrity sha512-PaF/MduxijYYt7unVGRuds1vBC9bFxbNf+VWqhOClfdgy7RlVkQqt610ig1/yxTgsDIfW1cWDel5EBbOy3jdtQ==
 
-addressparser@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/addressparser/-/addressparser-1.0.1.tgz#47afbe1a2a9262191db6838e4fd1d39b40821746"
-  integrity sha1-R6++GiqSYhkdtoOOT9HTm0CCF0Y=
-
 ajv-errors@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ajv-errors/-/ajv-errors-1.0.1.tgz#f35986aceb91afadec4102fbd85014950cefa64d"
@@ -2310,18 +2305,6 @@ buffer@^5.2.0:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
-buildmail@3.10.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/buildmail/-/buildmail-3.10.0.tgz#c6826d716e7945bb6f6b1434b53985e029a03159"
-  integrity sha1-xoJtcW55RbtvaxQ0tTmF4CmgMVk=
-  dependencies:
-    addressparser "1.0.1"
-    libbase64 "0.1.0"
-    libmime "2.1.0"
-    libqp "1.1.0"
-    nodemailer-fetch "1.6.0"
-    nodemailer-shared "1.1.0"
-
 builtin-status-codes@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
@@ -3506,13 +3489,6 @@ dir-glob@^3.0.1:
   dependencies:
     path-type "^4.0.0"
 
-dkim-signer@0.2.2:
-  version "0.2.2"
-  resolved "https://registry.yarnpkg.com/dkim-signer/-/dkim-signer-0.2.2.tgz#aa81ec071eeed3622781baa922044d7800e5f308"
-  integrity sha1-qoHsBx7u02IngbqpIgRNeADl8wg=
-  dependencies:
-    libmime "^2.0.3"
-
 doctrine@1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
@@ -4982,16 +4958,6 @@ husky@^3.0.5:
     run-node "^1.0.0"
     slash "^3.0.0"
 
-iconv-lite@0.4.13:
-  version "0.4.13"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.13.tgz#1f88aba4ab0b1508e8312acc39345f36e992e2f2"
-  integrity sha1-H4irpKsLFQjoMSrMOTRfNumS4vI=
-
-iconv-lite@0.4.15:
-  version "0.4.15"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.15.tgz#fe265a218ac6a57cfe854927e9d04c19825eddeb"
-  integrity sha1-/iZaIYrGpXz+hUkn6dBMGYJe3es=
-
 iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
@@ -5661,34 +5627,6 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-libbase64@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/libbase64/-/libbase64-0.1.0.tgz#62351a839563ac5ff5bd26f12f60e9830bb751e6"
-  integrity sha1-YjUag5VjrF/1vSbxL2Dpgwu3UeY=
-
-libmime@2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/libmime/-/libmime-2.1.0.tgz#51bc76de2283161eb9051c4bc80aed713e4fd1cd"
-  integrity sha1-Ubx23iKDFh65BRxLyArtcT5P0c0=
-  dependencies:
-    iconv-lite "0.4.13"
-    libbase64 "0.1.0"
-    libqp "1.1.0"
-
-libmime@^2.0.3:
-  version "2.1.3"
-  resolved "https://registry.yarnpkg.com/libmime/-/libmime-2.1.3.tgz#25017ca5ab5a1e98aadbe2725017cf1d48a42a0c"
-  integrity sha1-JQF8pataHpiq2+JyUBfPHUikKgw=
-  dependencies:
-    iconv-lite "0.4.15"
-    libbase64 "0.1.0"
-    libqp "1.1.0"
-
-libqp@1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/libqp/-/libqp-1.1.0.tgz#f5e6e06ad74b794fb5b5b66988bf728ef1dedbe8"
-  integrity sha1-9ebgatdLeU+1tbZpiL9yjvHe2+g=
-
 lines-and-columns@^1.1.6:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/lines-and-columns/-/lines-and-columns-1.1.6.tgz#1c00c743b433cd0a4e80758f7b64a57440d9ff00"
@@ -5924,14 +5862,6 @@ lru-cache@^5.1.1:
   dependencies:
     yallist "^3.0.2"
 
-mailcomposer@3.12.0:
-  version "3.12.0"
-  resolved "https://registry.yarnpkg.com/mailcomposer/-/mailcomposer-3.12.0.tgz#9c5e1188aa8e1c62ec8b86bd43468102b639e8f9"
-  integrity sha1-nF4RiKqOHGLsi4a9Q0aBArY56Pk=
-  dependencies:
-    buildmail "3.10.0"
-    libmime "2.1.0"
-
 make-dir@^1.0.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
@@ -6459,17 +6389,10 @@ node-res@^5.0.1:
     on-finished "^2.3.0"
     vary "^1.1.2"
 
-nodemailer-fetch@1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/nodemailer-fetch/-/nodemailer-fetch-1.6.0.tgz#79c4908a1c0f5f375b73fe888da9828f6dc963a4"
-  integrity sha1-ecSQihwPXzdbc/6IjamCj23JY6Q=
-
-nodemailer-shared@1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/nodemailer-shared/-/nodemailer-shared-1.1.0.tgz#cf5994e2fd268d00f5cf0fa767a08169edb07ec0"
-  integrity sha1-z1mU4v0mjQD1zw+nZ6CBae2wfsA=
-  dependencies:
-    nodemailer-fetch "1.6.0"
+nodemailer@^6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.3.0.tgz#a89b0c62d3937bdcdeecbf55687bd7911b627e12"
+  integrity sha512-TEHBNBPHv7Ie/0o3HXnb7xrPSSQmH1dXwQKRaMKDBGt/ZN54lvDVujP6hKkO/vjkIYL9rK8kHSG11+G42Nhxuw==
 
 nopt@^4.0.1:
   version "4.0.1"
@@ -8550,14 +8473,6 @@ send@0.17.1:
     range-parser "~1.2.1"
     statuses "~1.5.0"
 
-sendmail@^1.6.1:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/sendmail/-/sendmail-1.6.1.tgz#6be92fb4be70d1d9ad102030aeb1e737bd512159"
-  integrity sha512-lIhvnjSi5e5jL8wA1GPP6j2QVlx6JOEfmdn0QIfmuJdmXYGmJ375kcOU0NSm/34J+nypm4sa1AXrYE5w3uNIIA==
-  dependencies:
-    dkim-signer "0.2.2"
-    mailcomposer "3.12.0"
-
 serialize-javascript@^1.3.0, serialize-javascript@^1.7.0, serialize-javascript@^1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.9.0.tgz#5b77019d7c3b85fe91b33ae424c53dcbfb6618bd"