examples/typescript/smtp-client-pool/src/main.ts

   1 import type SMTPTransport from 'nodemailer/lib/smtp-transport/index.js'
   2 import { smtpClientPool } from './pool.js'
   3
   4 const tos = ['bar@example.com, baz@example.com']
   5
   6 const smtpClientPoolPromises = new Set<Promise<SMTPTransport.SentMessageInfo>>()
   7 for (const to of tos) {
   8   smtpClientPoolPromises.add(
   9     smtpClientPool.execute({
  10       smtpTransport: {
  11         host: 'smtp.domain.tld',
  12         port: 465,
  13         secure: true,
  14         auth: {
  15           user: 'REPLACE-WITH-YOUR-ALIAS@DOMAIN.TLD',
  16           pass: 'REPLACE-WITH-YOUR-GENERATED-PASSWORD'
  17         }
  18       },
  19       mail: {
  20         from: '"Foo" <foo@domain.tld>',
  21         to,
  22         subject: 'Hello',
  23         text: 'Hello world?',
  24         html: '<b>Hello world?</b>'
  25       }
  26     })
  27   )
  28 }
  29 try {
  30   const now = performance.now()
  31   await Promise.all(smtpClientPoolPromises)
  32   const elapsedTime = performance.now() - now
  33   console.info(
  34     `Send in parallel in ${elapsedTime.toFixed(2)}ms ${
  35       tos.length
  36     } mails with SMTP client pool`
  37   )
  38 } catch (error) {
  39   console.error(error)
  40 }