Transactional email for developers — Built in Europe
Remails is an (open-source) transactional email platform built for developers. With a clean API, modern developer tooling, and full transparency under the hood, Remails makes it easy to send reliable transactional emails.
Send a free test email. Give it a try
Core features of Remails
High performance. Remails is built in Rust for speed, reliability, and efficiency — delivering your emails with low latency and effortless scaling.
Performance That Powers Your Emails
Fast, reliable, and built to scale — send millions of emails without bottlenecks.
Why Performance Matters
For password resets,
activation links, and
critical alerts, speed
and reliability are
non-negotiable. Faster
emails mean happier
users and more trust in
your brand.
Built in Rust for Maximum Speed
Remails runs on Rust, one of the fastest and most reliable programming languages today:
Millisecond delivery — no waiting around
High throughput — handles massive volumes with ease
Lower resource use — more efficient than legacy platforms
Scale without limits
Whether you send 10 or 10 million emails, Remails grows with you. No extra setup, no slowdowns — scaling just works.
Secure by Design
Your emails deserve more than add-on security. At Remails, privacy and protection are built in from the ground up — keeping your data safe at every layer.
How Remails Keeps You Secure
Encryption everywhere — TLS in transit, AES-256 at rest
Enterprise
compliance
— GDPR by design,
ISO27001 (coming
soon)
EU-hosted — your data stays under strict European jurisdiction
Rust-Powered Safety
Remails runs on Rust, a memory-safe systems language that eliminates whole classes of security flaws found in legacy platforms. Built to be secure, by design.
Open-Source by Design
Transparency, flexibility, and freedom — built into every line of code. With Remails, your email infrastructure is never a black box.
How We Embrace Open-Source
100% open codebase — inspect, run, or contribute to the same code powering our EU-hosted platform
Deploy your way — choose our managed service or self-host for full control
Built on trusted tech — Rust at the core, with open standards for seamless integration
Driven by Community
We welcome developers, engineers, and privacy advocates to help shape the future of transactional email.
Security & privacy. No data harvesting, minimal collection, and strong encryption everywhere — so you stay in full control of your information.
Performance That Powers Your Emails
Fast, reliable, and built to scale — send millions of emails without bottlenecks.
Why Performance Matters
For password resets,
activation links, and
critical alerts, speed
and reliability are
non-negotiable. Faster
emails mean happier
users and more trust in
your brand.
Built in Rust for Maximum Speed
Remails runs on Rust, one of the fastest and most reliable programming languages today:
Millisecond delivery — no waiting around
High throughput — handles massive volumes with ease
Lower resource use — more efficient than legacy platforms
Scale without limits
Whether you send 10 or 10 million emails, Remails grows with you. No extra setup, no slowdowns — scaling just works.
Secure by Design
Your emails deserve more than add-on security. At Remails, privacy and protection are built in from the ground up — keeping your data safe at every layer.
How Remails Keeps You Secure
Encryption everywhere — TLS in transit, AES-256 at rest
Enterprise
compliance
— GDPR by design,
ISO27001 (coming
soon)
EU-hosted — your data stays under strict European jurisdiction
Rust-Powered Safety
Remails runs on Rust, a memory-safe systems language that eliminates whole classes of security flaws found in legacy platforms. Built to be secure, by design.
Open-Source by Design
Transparency, flexibility, and freedom — built into every line of code. With Remails, your email infrastructure is never a black box.
How We Embrace Open-Source
100% open codebase — inspect, run, or contribute to the same code powering our EU-hosted platform
Deploy your way — choose our managed service or self-host for full control
Built on trusted tech — Rust at the core, with open standards for seamless integration
Driven by Community
We welcome developers, engineers, and privacy advocates to help shape the future of transactional email.
Open-source. Use our high-availability SaaS or the self-hosted version — with open code and full transparency, your business stays independent.
Performance That Powers Your Emails
Fast, reliable, and built to scale — send millions of emails without bottlenecks.
Why Performance Matters
For password resets,
activation links, and
critical alerts, speed
and reliability are
non-negotiable. Faster
emails mean happier
users and more trust in
your brand.
Built in Rust for Maximum Speed
Remails runs on Rust, one of the fastest and most reliable programming languages today:
Millisecond delivery — no waiting around
High throughput — handles massive volumes with ease
Lower resource use — more efficient than legacy platforms
Scale without limits
Whether you send 10 or 10 million emails, Remails grows with you. No extra setup, no slowdowns — scaling just works.
Secure by Design
Your emails deserve more than add-on security. At Remails, privacy and protection are built in from the ground up — keeping your data safe at every layer.
How Remails Keeps You Secure
Encryption everywhere — TLS in transit, AES-256 at rest
Enterprise
compliance
— GDPR by design,
ISO27001 (coming
soon)
EU-hosted — your data stays under strict European jurisdiction
Rust-Powered Safety
Remails runs on Rust, a memory-safe systems language that eliminates whole classes of security flaws found in legacy platforms. Built to be secure, by design.
Open-Source by Design
Transparency, flexibility, and freedom — built into every line of code. With Remails, your email infrastructure is never a black box.
How We Embrace Open-Source
100% open codebase — inspect, run, or contribute to the same code powering our EU-hosted platform
Deploy your way — choose our managed service or self-host for full control
Built on trusted tech — Rust at the core, with open standards for seamless integration
Driven by Community
We welcome developers, engineers, and privacy advocates to help shape the future of transactional email.
How Remails works
Fully open-source. Remails is trusted across Europe for privacy-first infrastructure. Our code is open, auditable, and ready for production.
Integrating Remails is easy
1import smtplib
2from email.message import EmailMessage
3
4msg = EmailMessage()
5msg["Subject"] = "Welcome to Remails!"
6msg["From"] = "you@example.com"
7msg["To"] = "user@example.com"
8msg.set_content("This is a test email sent through Remails SMTP.")
9
10with smtplib.SMTP_SSL("smtp.remails.net", 465) as smtp:
11 smtp.login("your_username", "your_password")
12 smtp.send_message(msg)1const nodemailer = require("nodemailer");
2
3const transporter = nodemailer.createTransport({
4 host: "smtp.remails.net",
5 port: 465,
6 secure: true,
7 auth: {
8 user: "your_username",
9 pass: "your_password",
10 },
11});
12
13const mailOptions = {
14 from: "you@example.com",
15 to: "user@example.com",
16 subject: "Hello from Remails!",
17 text: "This is a test email sent through Remails SMTP.",
18};
19
20transporter.sendMail(mailOptions, (error, info) => {
21 if (error) {
22 return console.error(error);
23 }
24 console.log("Email sent:", info.response);
25});1use PHPMailer\PHPMailer\PHPMailer;
2use PHPMailer\PHPMailer\Exception;
3
4require 'vendor/autoload.php';
5
6$mail = new PHPMailer(true);
7
8try {
9 // Server settings
10 $mail->isSMTP();
11 $mail->Host = 'smtp.remails.net';
12 $mail->SMTPAuth = true;
13 $mail->Username = 'your_username';
14 $mail->Password = 'your_password';
15 $mail->SMTPSecure = PHPMailer::ENCRYPTION_SMTPS;
16 $mail->Port = 465;
17
18 // Recipients
19 $mail->setFrom('you@example.com', 'You');
20 $mail->addAddress('user@example.com');
21
22 // Content
23 $mail->Subject = 'Greetings from Remails';
24 $mail->Body = 'This is a test email sent through Remails SMTP.';
25
26 $mail->send();
27 echo 'Email sent';
28} catch (Exception $e) {
29 echo "Error: {$mail->ErrorInfo}";
30}1require 'mail'
2
3options = {
4 address: 'smtp.remails.net',
5 port: 465,
6 user_name: 'your_username',
7 password: 'your_password',
8 authentication: 'login',
9 ssl: true
10}
11
12Mail.defaults do
13 delivery_method :smtp, options
14end
15
16Mail.deliver do
17 from 'you@example.com'
18 to 'user@example.com'
19 subject 'Hello from Remails!'
20 body 'This is a test email sent through Remails SMTP.'
21endRemails is powering websites and applications
GDPR compliance. Stay fully compliant with EU privacy laws — your data never leaves Europe.
SaaS & Self-Hosted. Choose between our managed EU platform or full control on your own servers.
Developer tooling. A clean API, drop-in SMTP, and modern tooling that gets you sending in minutes.
Security & privacy. End-to-end protection with strong encryption and a strict privacy-first approach.
Send your first email in under 5 minutes.
Use our managed EU-based service or host it yourself.
Made by developers, for developers
SaaS or Self-Hosted version
Open-source
Remails is an open-source transactional email platform built for developers — offered as a privacy-first SaaS (hosted in the EU) or self-hosted. With a clean API, modern developer tooling, Remails makes it easy to send reliable transactional emails.
