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Author: einsqing

.gitignore

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+node_modules

Dockerfile

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+FROM einsqing/alpine-node:latest
+COPY . /www
+WORKDIR /www
+RUN yarn global add pm2 && yarn install --production
+EXPOSE 465
+CMD pm2-runtime start pm2.json

app.js

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+const { SMTPServer } = require("smtp-server");
+const server = new SMTPServer({
+    secure: false,
+    logger: true,
+    onConnect(session, callback) {
+        console.log("onConnect");
+        console.log(session);
+        // if(session.remoteAddress === '127.0.0.1'){
+        //     return callback(new Error('No connections from localhost allowed'));
+        // }
+        return callback(); // Accept the connection
+    },
+    onMailFrom(address, session, callback) {
+        console.log("onMailFrom");
+        console.log(address, session);
+        // if(address.address !== '[email protected]'){
+        //       return callback(new Error('Only [email protected] is allowed to send mail'));
+        //   }
+        return callback(); // Accept the address
+    },
+    onRcptTo(address, session, callback) {
+        console.log("onRcptTo");
+        console.log(address, session);
+        // if(address.address !== '[email protected]'){
+        //     return callback(new Error('Only [email protected] is allowed to receive mail'));
+        // }
+        return callback(); // Accept the address
+    },
+    onData(stream, session, callback) {
+        stream.pipe(process.stdout); // print message to console
+        stream.on("end", callback);
+    }
+});
+server.on("error", err => {
+    console.log("Error %s", err.message);
+});
+server.listen(465);
+console.log("success");

mail.js

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+const nodemailer = require('nodemailer');
+
+function sendEmail(to, subject, html) {
+	// create reusable transporter object using the default SMTP transport
+	var transporter = nodemailer.createTransport({
+		host: "127.0.0.1",
+		port: 465,
+		secure: false
+	});
+
+	// setup e-mail data with unicode symbols
+	var mailOptions = {
+		from: "[email protected]", // sender address
+		to: to, // list of receivers
+		subject: "subject", // Subject line
+		text: "subject", // plaintext body
+		html: "xxxx", // html body
+		replyTo: to
+	};
+
+	// send mail with defined transport object
+	transporter.sendMail(mailOptions, function(error, info) {
+		if (error) {
+			return console.log(error);
+		}
+		console.log("Message sent: " + info.response);
+	});
+}
+
+sendEmail("[email protected]", "xxx", "123");

package.json

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+{
+  "name": "mailServer",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "nodemailer": "^4.6.7",
+    "smtp-server": "^3.4.6"
+  }
+}

pm2.json

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+{
+  "name": "smtp",
+  "script": "app.js",
+  "watch": false,
+  "exec_mode": "fork",
+  "error_file": "./logs/error.log",
+  "out_file": "./logs/out.log",
+  "log_date_format": "YYYY-MM-DD HH:mm:ss",
+  "node_args": [],
+  "args": [],
+  "env": {
+    "NODE_ENV":"docker" 
+  }
+}

yarn.lock

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+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+[email protected]:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/base32.js/-/base32.js-0.1.0.tgz#b582dec693c2f11e893cf064ee6ac5b6131a2202"
+
+[email protected]:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/ipv6-normalize/-/ipv6-normalize-1.0.1.tgz#1b3258290d365fa83239e89907dde4592e7620a8"
+
+[email protected], nodemailer@^4.6.7:
+  version "4.6.7"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-4.6.7.tgz#b68de7f36d65618bdeeeb76234e3547d51266373"
+
+smtp-server@^3.4.6:
+  version "3.4.6"
+  resolved "https://registry.yarnpkg.com/smtp-server/-/smtp-server-3.4.6.tgz#0f2505158ae42846f55bf374cb1a3386cabcf700"
+  dependencies:
+    base32.js "0.1.0"
+    ipv6-normalize "1.0.1"
+    nodemailer "4.6.7"