node-pop3

import Pop3Command from 'node-pop3'; import 'dotenv/config'; // For loading environment variables async function fetchMail() { const user = process.env.POP3_USER ?? 'example@example.com'; const password = process.env.POP3_PASSWORD ?? 'your-password'; const host = process.env.POP3_HOST ?? 'pop3.example.com'; const port = parseInt(process.env.POP3_PORT ?? '995', 10); // Default to 995 for TLS const tls = process.env.POP3_TLS === 'true'; const pop3 = new Pop3Command({ user, password, host, port, tls }); try { await pop3.connect(); console.log('Connected to POP3 server.'); // Authenticate (handled by constructor in common methods like RETR/UIDL) // For manual command, you would do: // await pop3.command('USER', user); // await pop3.command('PASS', password); const [statInfo] = await pop3.command('STAT'); console.log(`Mailbox status: ${statInfo}`); // e.g., '100 102400' const list = await pop3.UIDL(); console.log('Messages in mailbox (UIDL):', list); if (list.length > 0) { const firstMsgNum = list[0][0]; console.log(`Retrieving message number ${firstMsgNum}...`); const mailContent = await pop3.RETR(firstMsgNum); console.log('\n--- First Mail Content ---\n'); console.log(mailContent.substring(0, 500) + '...'); // Log first 500 chars console.log('\n--------------------------\n'); } else { console.log('No messages in mailbox.'); } const [quitInfo] = await pop3.QUIT(); console.log(`Disconnected: ${quitInfo}`); } catch (error) { console.error('An error occurred:', error.message); if (error.eventName) { console.error('Event Name:', error.eventName); } if (error.command) { console.error('Command causing error:', error.command); } } } fetchMail();