Node Mailer is a Node.js module that allows developers to send email messages from their applications. It supports various transport methods, including SMTP, Sendmail and Amazon SES, and can be easily integrated with popular email service providers like Gmail and SendGrid. Node Mailer supports multiple features, including sending email with or without attachments, HTML and text email, and email address validation.
It also supports additional features like streaming attachments, embedding images, and handling multiple recipients. The library is designed to be easy to use, and it can be integrated into a Node.js application with just a few lines of code. It is a popular choice for sending transactional and bulk emails from Node.js applications.
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Send emails from Node.js – easy as cake! 🍰✉️
See nodemailer.com for documentation and terms.
Check out EmailEngine – a self-hosted email gateway that allows making REST requests against IMAP and SMTP servers. EmailEngine also sends webhooks whenever something changes on the registered accounts.
Using the email accounts registered with EmailEngine, you can receive and send emails. EmailEngine supports OAuth2, delayed sends, opens and clicks tracking, bounce detection, etc. All on top of regular email accounts without an external MTA service.
This project is supported by Forward Email – the 100% open-source and privacy-focused email service.
This project is supported by Opensense - The beautiful email signature management company for Office 365 and Google Workspace.
Documentation for Nodemailer can be found at nodemailer.com.
You are using an older Node.js version than v6.0. Upgrade Node.js to get support for the spread operator. Nodemailer supports all Node.js versions starting from Node.js@v6.0.0.
Gmail either works well, or it does not work at all. It is probably easier to switch to an alternative service instead of fixing issues with Gmail. If Gmail does not work for you, then don't use it. Read more about it here.
Check your firewall settings. Timeout usually occurs when you try to open a connection to a firewalled port either on the server or on your machine. Some ISPs also block email ports to prevent spamming.
It's either a firewall issue, or your SMTP server blocks authentication attempts from some servers.
secure
option. This should be set to true
only for port 465. For every other port, it should be false
. Setting it to false
does not mean that Nodemailer would not use TLS. Nodemailer would still try to upgrade the connection to use TLS if the server supports it.false
to skip chain verification or upgrade your Node versionlet configOptions = {
host: "smtp.example.com",
port: 587,
tls: {
rejectUnauthorized: true,
minVersion: "TLSv1.2"
}
}
Node.js uses c-ares to resolve domain names, not the DNS library provided by the system, so if you have some custom DNS routing set up, it might be ignored. Nodemailer runs dns.resolve4() and dns.resolve6() to resolve hostname into an IP address. If both calls fail, then Nodemailer will fall back to dns.lookup(). If this does not work for you, you can hard code the IP address into the configuration like shown below. In that case, Nodemailer would not perform any DNS lookups.
let configOptions = {
host: "1.2.3.4",
port: 465,
secure: true,
tls: {
// must provide server name, otherwise TLS certificate check will fail
servername: "example.com"
}
}
Nodemailer has official support for Node.js only. For anything related to TypeScript, you need to directly contact the authors of the type definitions.
If you are having issues with Nodemailer, then the best way to find help would be Stack Overflow or revisit the docs.
Nodemailer is licensed under the MIT No Attribution license
The Nodemailer logo was designed by Sven Kristjansen.