Free SMTP Relay

Free SMTP Server For Your Transactional Emails

Start sending transactional emails using AhaSend SMTP servers in minutes- it's fast, scalable, and free for up to 1,000 emails per month.

Send emails using SMTP from anywhere

SMTP is the most widely supported protocol for sending emails with libraries available in almost any language, and native support in any application that needs to send emails. Start sending in emails minutes!

swaks \
        --from [email protected] \
        --to [email protected] \
        --server send.ahasend.com \
        --port 587 \
        --auth plain \
        --tls \
        --auth-user 'YOUR_SMTP_USERNAME' \
        --auth-password 'YOUR_SMTP_PASSWORD' \
        --header 'Subject: Test email' \
        --body "This is a test email."

Install dependencies

$ npm i nodemailer

const nodemailer = require('nodemailer');
// Create a transporter object using the SMTP transport
let transporter = nodemailer.createTransport({
    host: 'send.ahasend.com',
    port: 587,
    requireTLS: true, //Force TLS
    auth: {
        user: 'YOUR_SMTP_USERNAME', // SMTP username
        pass: 'YOUR_SMTP_PASSWORD', // SMTP password
    },
});
// Email options
let mailOptions = {
    from: '"Your Name" <[email protected]>', // sender address
    to: '[email protected]', // list of receivers
    subject: 'Hello ✔', // Subject line
    text: 'Hello world?', // plain text body
    html: '<b>Hello world?</b>', // html body
};
// Send email
transporter.sendMail(mailOptions, (error, info) => {
    if (error) {
        return console.log(error);
    }
    console.log('Message sent: %s', info.messageId);
});

Install dependencies

$ go get gopkg.in/gomail.v2

                                                email := gomail.NewMessage()
email.SetAddressHeader("From", "[email protected]", "My awesome startup")
email.SetAddressHeader("To", "[email protected]", "Someone")
email.SetHeader("Subject", "Sample email")
email.SetBody("text/plain", "Plain text body")
email.SetBody("text/html", "<p>This is the <b>HTML</b> body</p>")

// Port can be 25, 2525, or 587
d := gomail.NewDialer("send.ahasend.com", 587, "YOUR_SMTP_USERNAME", "YOUR_SMTP_PASSWORD")
if err := d.DialAndSend(msg); err != nil {
    log.Fatal(err)
}

require 'net/smtp'

message = <<~MESSAGE_END
    From: Your Name 
    To: Recipient Name 
    Subject: SMTP Test Email
    Date: #{Time.now.rfc2822}

    This is a test email sent using net/smtp in Ruby.
MESSAGE_END

smtp_settings = {
    address: 'send.ahasend.com',
    port: 587,
    domain: 'domain.com', # your domain
    user_name: 'YOUR_SMTP_USERNAME',
    password: 'YOUR_SMTP_PASSWORD',
    authentication: 'plain',
    enable_starttls_auto: true
}

Net::SMTP.start(
    smtp_settings[:address],
    smtp_settings[:port],
    smtp_settings[:domain],
    smtp_settings[:user_name],
    smtp_settings[:password],
    smtp_settings[:authentication]
) do |smtp|
    smtp.enable_starttls
    smtp.send_message message, '[email protected]', '[email protected]'
end

Install dependencies

$ python -m pip install requests

import smtplib
from email.message import EmailMessage
def send_plain_text_email():
    smtp_server = "send.ahasend.com"
    smtp_port = 587
    smtp_username = "YOUR_SMTP_USERNAME"
    smtp_password = "YOUR_SMTP_PASSWORD"
    from_addr = "[email protected]"
    to_addr = "[email protected]"
    subject = "Test Email"
    body = "Hello, this is a test email sent from Python."
    # Create the email message
    msg = EmailMessage()
    msg.set_content(body)
    msg['Subject'] = subject
    msg['From'] = from_addr
    msg['To'] = to_addr
    # Connect to the SMTP server
    server = smtplib.SMTP(smtp_server, smtp_port)
    server.starttls()  # Secure the connection
    server.login(smtp_username, smtp_password)
    server.send_message(msg)
    server.quit()
send_plain_text_email()

use Symfony\Component\Mailer\Transport;
use Symfony\Component\Mailer\Mailer;
use Symfony\Component\Mime\Email;

require 'vendor/autoload.php';

$transport = Transport::fromDsn(
  'smtp://YOUR_SMTP_USERNAME:[email protected]:587'
);
$mailer = new Mailer($transport);

$email = (new Email())
    ->from('[email protected]')
    ->to('[email protected]')
    ->subject('Time for Symfony Mailer!')
    ->text('Sending emails is fun!')
    ->html('<p>See Twig integration for better HTML integration!</p>');

$attachment = Attachment::fromPath('/path/to/file.pdf');
$email->attach($attachment);

$mailer->send($email);

echo 'Message has been sent';

Learn more

Optimized for transactional emails

Fast and reliable email delivery

When it comes to transactional emails like OTPs and Confirmation emails, delivery speed is everything. AhaSend is built for transactional emails and fast delivery.

Deliver your emails at lightning speeds: we have a track record of delivering emails to Gmail in under 1 seconds, and to other providers in under 5 seconds.
Improve your inbox placement: Sending transactional emails only improves deliverability, and we only send transactional emails. Get your emails to the inbox where they belong!
Automated blocklist management: AhaSend keeps your domain reputation high and improves your email deliverability by automatically managing bounces and creating blocklists on your behalf.

SMTP server for transactional emails with fast delivery speeds

Code sample in golang showing different SMTP ports provided by AhaSend

Various sending ports

Send from ports that work for you

ISPs and networks often place limitations on standard SMTP relay ports. AhaSend supports a variety of SMTP ports to give you more flexibility when it comes to sending with SMTP. We require STARTTLS encryption on all emails to improve security. You can send from any of the following ports

25
587
2525

Email routing

Easily process inbound emails

AhaSend simplifies integrating email data into your systems by allowing you to route inbound message to a HTTP endpoint and receive the message data in a POST request instead of having to deal with inbound SMTP sessions directly.