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10 Best JavaScript SMTP Libraries

List hand-picked by Openbase Experts
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nodemailer

nodemailer

✉️ Send e-mails with Node.JS – easy as cake!

2.5M
15.4K
DefinitelyTyped
MIT
ema

emailjs

html emails and attachments to any smtp server with nodejs

24K
2.1K
Built-in
MIT
ev

email-verify

A tool to verify an email address exits via SMTP

2K
No support
ISC
maildev

maildev

📫 SMTP Server + Web Interface for viewing and testing emails during development.

25.1K
3.5K
DefinitelyTyped
MIT
sen

sendmail

send mail without setting up a SMTP server

113K
509
DefinitelyTyped
MIT
sc

smtp-connection

Connect to SMTP servers

222K
No support
EUPL-1.1
nst

nodemailer-smtp-transport

SMTP transport for Nodemailer

182K
DefinitelyTyped
MIT
ss

smtp-server

Create custom SMTP servers on the fly

133K
DefinitelyTyped
MIT
is

imap-simple

Wrapper over node-imap, providing a simpler api for common use cases

63.5K
229
DefinitelyTyped
MIT
Haraka

Haraka

A fast, highly extensible, and event driven SMTP server

894
4.3K
No support
MIT
sp

smtp-protocol

smtp client and server protocol implementation in node

943
219
No support
MIT
em

express-mailer

Send Emails from your application and response object.

607
104
No support
emailjs-smtp-client

emailjs-smtp-client

SMTP Client for node.js and browser runtimes

272
179
No support
MIT
mai

mailin

Artisanal inbound emails for every web app

271
1.9K
No support
MIT
pos

postmailer

HTTP POST -> SMTP proxy, as Express middleware

23
No support
ISC
hme

http-mail-express

An Express middleware implementing the "HTTP POST mail" principle as an SMTP proxy.

6
No support
ISC
xsc

xd-smtp-connection

Connect to SMTP servers

1
No support
MIT
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