现在开始学习 如果使用node.js 搭建一个邮件服务器哦
初入殿堂
1、简易smtp服务搭建
const SMTPServer = require('smtp-server').SMTPServer;
const server = new SMTPServer({
secure: false, // 明确指定不使用安全连接 上线后不能这样哦，需要配置证书
onAuth(auth, session, callback) {
if (auth.username === 'your_username' && auth.password === 'your_password') {
callback(null, { user: 'user' });
} else {
callback(new Error('Authentication failed'));
}
},
onData(stream, session, callback) {
let data = '';
stream.on('data', (chunk) => {
data += chunk;
});
stream.on('end', async () => {
console.error('Error parsing email:', data);
callback(error);
});
},
});
server.listen(25, () => {
console.log("SMTP服务器已启动，监听端口25");
});
2、发送邮件 验证
let smtpConfig = {
host: 'localhost',
port: 25,
secure: false, // 明确指定不使用安全连接 上线后不能这样哦，需要配置证书
auth: {
user: 'your_username',
pass: 'your_password'
},
tls: {
rejectUnauthorized: false, // 指定不拒绝自签名证书
}
};
let transporter = nodeMailer.createTransport(smtpConfig);
var mailOptions = {
from: 'zouchengzhuo@163.com',
to: '405966530@qq.com',
subject: '测试SMTP发送邮件',
text: 'email text content',
html: '<h1>Hello SMTP protocol</h1>'
};
transporter.sendMail(mailOptions, function (error, info) {
if (error) {
return console.log(error);
}
console.log('Message sent: ' + info.response);
});
结果如下：
3、解析邮件内容
这时发现上面的邮件内容，貌似也太简单了，那怎么解析邮件内容呢？
const { simpleParser } = require('mailparser');
const server = new SMTPServer({
secure: false,
onAuth(auth, session, callback) {
if (auth.username === 'your_username' && auth.password === 'your_password') {
callback(null, { user: 'user' });
} else {
callback(new Error('Authentication failed'));
}
},
onData(stream, session, callback) {
let data = '';
stream.on('data', (chunk) => {
data += chunk;
});
stream.on('end', async () => {
try {
// 使用 mailparser 解析邮件内容
const parsed = await simpleParser(data);
console.log('Received the following message:\n', parsed);
// 在这里可以处理邮件内容，例如存储到数据库或执行其他操作
callback();
} catch (error) {
console.error('Error parsing email:', error);
callback(error);
}
});
},
});
解析后内容如下：
Received the following message:
{
attachments: [], # 附件
headers: Map(7) {
'content-type' => { value: 'multipart/alternative', params: [Object] },
'from' => {
value: [Array],
html: '<span class="mp_address_group"><span class="mp_address_name">zoucz</span> <<a href="mailto:zouchengzhuo@163.com" class="mp_address_email">zouchengzhuo@163.com</a>></span>',
text: '"zoucz" <zouchengzhuo@163.com>'
},
'to' => {
value: [Array],
html: '<span class="mp_address_group"><span class="mp_address_name">zoucz</span> <<a href="mailto:405966530@qq.com" class="mp_address_email">405966530@qq.com</a>></span>',
text: '"zoucz" <405966530@qq.com>'
},
'subject' => '测试SMTP发送邮件',
'message-id' => '<1df7ba5d-f751-8219-1381-0b064c46f75b@163.com>',
'date' => 2024-01-16T03:11:45.000Z,
'mime-version' => '1.0'
},
headerLines: [
{
key: 'content-type',
line: 'Content-Type: multipart/alternative;\r\n' +
' boundary="--_NmP-fc0d67adb93111ec-Part_1"'
},
{ key: 'from', line: 'From: zoucz <zouchengzhuo@163.com>' },
{ key: 'to', line: 'To: zoucz <405966530@qq.com>' },
{
key: 'subject',
line: 'Subject: =?UTF-8?B?5rWL6K+VU01UUOWPkemAgemCruS7tg==?='
},
{
key: 'message-id',
line: 'Message-ID: <1df7ba5d-f751-8219-1381-0b064c46f75b@163.com>'
},
{ key: 'date', line: 'Date: Tue, 16 Jan 2024 03:11:45 +0000' },
{ key: 'mime-version', line: 'MIME-Version: 1.0' }
],
html: '<h1>Hello SMTP protocol</h1>', # 内容
text: 'email text content',
textAsHtml: '<p>email text content</p>',
subject: '测试SMTP发送邮件', # 标题
date: 2024-01-16T03:11:45.000Z, # 时间
to: {
value: [ [Object] ],
html: '<span class="mp_address_group"><span class="mp_address_name">zoucz</span> <<a href="mailto:405966530@qq.com" class="mp_address_email">405966530@qq.com</a>></span>',
text: '"zoucz" <405966530@qq.com>' # 去哪里
},
from: {
value: [ [Object] ],
html: '<span class="mp_address_group"><span class="mp_address_name">zoucz</span> <<a href="mailto:zouchengzhuo@163.com" class="mp_address_email">zouchengzhuo@163.com</a>></span>',
text: '"zoucz" <zouchengzhuo@163.com>' # 来着哪里
},
messageId: '<1df7ba5d-f751-8219-1381-0b064c46f75b@163.com>'
}
Message sent: 250 OK: message queued
4、构建IMAP
npm install node-imap
const Imap = require('imap');
// 配置 IMAP 连接参数
const imapConfig = {
user: 'your_email@example.com',
password: 'your_email_password',
host: 'imap.example.com',
port: 993, // 默认 IMAP over SSL/TLS 端口
tls: true,
};
const imap = new Imap(imapConfig);
// 处理邮件
function processMail(mail) {
console.log('Subject:', mail.subject);
console.log('From:', mail.from[0].address);
console.log('Text:', mail.text);
console.log('---');
}
// 连接到 IMAP 服务器
imap.once('ready', () => {
imap.openBox('INBOX', true, (err, box) => {
if (err) throw err;
// 搜索收件箱中的所有邮件
const searchCriteria = ['ALL'];
const fetchOptions = { bodies: '', struct: true };
const fetch = imap.seq.fetch(box.messages.total + ':*', fetchOptions);
fetch.on('message', (msg, seqno) => {
console.log('Message #%d', seqno);
msg.on('body', (stream, info) => {
let buffer = '';
stream.on('data', (chunk) => {
buffer += chunk.toString('utf8');
});
stream.once('end', () => {
const mail = Imap.parseMessage(buffer);
processMail(mail);
});
});
});
fetch.once('end', () => {
imap.end();
});
});
});
imap.connect();
