Free SMTP server

Send 300 free emails a day. Perfect for bulk email, transactional messages and testing.

Award-winning free SMTP server


SMTP server free for 300 emails a day

SMTP on free plan

Try SMTP (Simple Mail Transfer Protocol) on our forever free plan with a sending limit of 300 emails per day.

Pay for emails only

Pricing is based on the number of emails you want to send monthly. Always unlimited subscribers.

SMTP for testing

Configure a SMTP server for testing for free with Brevo. No credit card, no commitment. Cancel anytime.


Send bulk email

Free SMTP services like Gmail and Outlook aren’t designed for sending mass emails or large volumes of transactional emails. Trust an SMTP relay service that’s been set up for delivering bulk emails.

  • Specially configured SMTP servers support high-volume email sending with great scalability
  • Brevo is an SMTP service provider built on reliable infrastructure
  • We send millions of emails for our clients every day

Reliable deliverability

Brevo’s free SMTP server is backed by dedicated infrastructure and resources to make sure your emails reach the inbox (and avoid the spam folder).

  • Closely monitored shared IPs
  • A team of experienced email deliverability experts
  • Rigorous validation process to keep spammers out

Rapid email delivery

Brevo’s SMTP server ensures your time-sensitive transactional emails are delivered on time, every time.

  • 50% of emails delivered within 1 second
  • 99.98% of SMTP emails delivered in under 20 seconds

Trusted sender reputation

Our sender reputation is well established among email clients (Gmail, Outlook, etc.) and we maintain strict control over all our IP addresses. By choosing to send over our free SMTP server, you get to benefit from the deliverability of an established SMTP service provider.

Send confidently with
Brevo’s SMTP server

No credit card. No commitment.

Free SMTP server capabilities

Personalized emails

Customized transactional emails at scale to boost your branding. Dynamic content (merge tags) available on SMTP.

Free SMTP plugins

Connect the transactional email API quick and easy with ready plugins for WordPress and ecommerce platforms.

SMTP & Marketing

Send transactional emails and marketing campaigns from one place. Marketing Platform plans cover both.


Send transactional emails

Trust our SMTP relay service to deliver your most important customer updates: account activation emails, order confirmations, shipping notifications, receipts, password resets, security alerts, and all other use cases covered. Including beautiful and responsive ready-made email templates.

For developers too

Bring your vision to life and customize your email campaigns with code. Our API works alongside the most common programming languages, so your team can create any email if the ready templates don’t fit your needs.

Send emails from other apps and websites

Just plug our SMTP credentials into another service to have these third-party emails sent through Brevo. Take full advantage of our cloud-based SMTP mail server’s established sending reputation and reporting features.

Automation workflows

Trigger custom email automation workflows based on user activity and website behavior. Never miss an opportunity to engage with our reliable SMTP relay.

  • Ready-made workflows and templates
  • Multi-channel workflows for email & SMS
  • Emails triggered by link clicks and visits to your WordPress site or other third party app

Analyze email delivery and engagement

Our free SMTP relay server gives access to advanced reporting features so you’ve got the data and insights you need to consistently improve. Transactional logs are stored indefinitely so you can also go back and check.

  • Real-time delivery rates and performance metrics
  • Clear, easy to digest data for rapid analysis
  • Custom webhooks for instant updates however you want to receive them

Protect your sender reputation

Brevo offers a number of features to help marketers maintain and protect their sender reputations.

  • Hard-bounce pooling to avoid sending any more emails to hard bounce contacts (automatic unsubscribe)
  • Dedicated IPs available for high-volume senders on paid plans
  • Split transactional and promotional emails into different streams (by sender and IP address)
  • Domain name authentication (SPF, DKIM, and DMARC) to validate your sender signature

Client stories: Brevo's free SMTP in practice

Compare us to other
SMTP service providers

Send securely with Brevo’s SMTP server

Test our SMTP relay server on the free plan.

Over 500,000 customers worldwide

Businesses across industries have built better customer relationships with Brevo.
  • 4.5
    3,700+ reviews3,700+ reviews
  • 4.5
    1,600+ reviews1,600+ reviews
  • 4.5
    1,600+ reviews1,600+ reviews

Frequently asked questions

Test our SMTP server free today

No credit card. No commitment.