Free SMTP server

Robust email delivery with Mailjet’s SMTP Server

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Let us handle the heavy lifting of sending so that so you can focus on what matters most: innovating. Mailjet’s SMTP Relay allows you to send transactional email with peace of mind.


Sending to a larger group of customers requires a little more than cc’s in your personal email client. Email clients (like Gmail, Yahoo and AOL) limit the number of recipients you can send to to prevent spam. Bulk email requires a bigger email infrastructure to handle and deliver the larger volume send. Sending through Mailjet’s SMTP server saves time and resources - it’s costly and challenging to build and maintain this solution in-house.

Comprehensive, Real-time Dashboard

Transparent feedback from the moment you hit send. Mailjet’s real-time dashboard makes it easy for you to browse, filter and manipulate key performance indicators such as opens, clicks, spam rate, unsubscribe rate and more. Pull in deeper insights on referral traffic with our automatic link trackers and always get the credit you deserve for your hard work.

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Dedicated Deliverability Experts

We’re your co-pilots, helping to land your email in the inbox. Our deliverability team keeps up to date on latest spam regulations and ISP requirements. While the Mailjet platform is also built to optimize deliverability for each email, whether you’re building marketing or transactional email. Together, we’ll take your sender reputation to new heights.

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Easy Integration & Scalable Infrastructure

Integration takes just a few minutes with our SMTP configuration. Most frameworks support our SMTP. It’s as easy as 1-2-3 to set up your account - simply start with a username, password and server name. Mailjet also has plugins with a range of widely used CMS, CRM and ecommerce platforms like Wordpress, Magento and Joomla.

Still Have Questions?

Get started today using our comprehensive documentation guide. Learn to configure your sending address, tracking options and more.

Getting Started Guide

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