Best SMTP Services with a Free Trial of 2024

Partner with the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. The Twilio SendGrid Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale, while maximizing inbox placement and protecting your reputation as a trusted sender. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.

Email solution for fast-moving teams. We understand how difficult it can be to find an affordable, reliable email service. Mailjet is the ideal solution for you. Our advanced features will help you grow your company at a very affordable price. Passport, our email editor, allows you to create beautiful responsive emails in just a few mouse clicks. You can choose from a variety of templates, or create your own design. Mailjet's Collaboration Toolkit allows you to collaborate on the same campaign or email template in real-time to improve your team's efficiency. You can drastically reduce the feedback cycle by using commenting and approval workflow features to speed up. To send the right content to the right customers, personalize each email by segmenting your contact list and collecting customer data. It's easy for each recipient to feel special. You can optimize the performance of your campaign by integrating real-time statistics with every sending.

Multi-channel marketing automation platform that allows marketers to create personalized promotional campaigns. You can choose from SMS, email, or web push notification. Or you can combine multiple channels into one campaign to create a complex message sequence. The platform offers all the tools necessary to automate email marketing. You can also create subscription forms and grow your mailing list. Drag and drop is intuitive and allows users to create mobile-friendly email templates. Or, they can choose from a large gallery of predesigned templates. The company also offers a transactional email service, which allows users to send up 12000 emails for free via SMTP and API. SendPulse offers its own chatbot creator. You can create a Telegram chatbot or a Facebook Messenger chatbot to send personalized messages or as an autoresponder.

Ongage is an email platform for advanced email marketers who want to send high-end campaigns but also understand their audience better. Both developers and non-developers are able to run high-volume campaigns with advanced capabilities on an intuitive dashboard. This gives them full control and allows them to get the job done. Get actionable insights into customer behavior and send data-driven email segments according to intent. Automated real-time emails allow you to create personalized experiences that are based on the actions of your customers. This will help you direct your audience towards your goals. Ongage is a one-stop-deliverability-shop, with system capabilities, reports, and experts that can slice and dice deliverability from every angle. You can sync your CRM, CDP, data warehouse and Ongage to optimize campaigns and make an immediate impact. To send your emails, connect any SMTP relay, MTA or use the built in Ongage SMTP. You can send emails from multiple SMTPs in Ongage or one.

Elastic Email is used by thousands of companies. A powerful Email Marketing platform built on the most cost-effective Email Protocol. Scalability, reliability, and deliverability are important. Connect to our HTTP API or SMTP relay to send your email. You can also scale up to 100+ million emails per monthly on our global infrastructure. Every campaign you send will help you build better relationships with your recipients. Elastic Email offers all the marketing tools that you need to make your contacts feel connected. It is important to deliver on time, be reliable, and scale up. Our global infrastructure is ultra-fast and allows you to connect and send email easily via our HTTP API and SMTP relay. You can also scale up to 100+ million messages per month.

Brevo (formerly Sendinblue), the platform that helps build customer relationships through Email, SMS, Chat and more. The complete toolkit for converting one-time browsers to long-term customers. Beautifully designed email campaigns allow you to connect with contacts in their inbox. Send targeted messages to your customers. Brevo helps businesses build and grow relationships by automating marketing campaigns, transactional email and SMS messages. What makes Brevo different? Brevo is powered our world-class team of customer happiness experts and we offer pricing that will make you smile. Our platform offers a comprehensive suite of services in a single, easy-to-use solution. Happy Sending!

All the benefits of email marketing without the coding. We don't care about your size. We can help your business send powerful emails that get read and clicked on every occasion, no matter how big or small. They are also stunning. You can simplify your marketing tasks and reach all your goals with just a click. Moosend's advanced automation tools will save you time and help propel your email marketing forward. No more blah blah for your subscribers. Send them relevant emails that they want to read. This will increase your open and click rates. You can easily create stunning landing pages in minutes. Our feature-packed form editor makes it easy to grow your mailing list, collect valuable data and share your forms across all of your online channels.

TurboSMTP understands that email is not just a means of communication but the backbone of your customer engagement strategy. TurboSMTP Email API is trusted by developers and marketers alike for its time-saving features, scalability, and delivery expertise. Our service offers a flexible SMTP relay solution along with advanced features tailored to meet the needs of businesses of all sizes. With our intuitive dashboard, powerful features, and dedicated support, ensuring the delivery of your emails is seamless and uninterrupted. TurboSMTP's infrastructure is built to scale, whether you're sending a few hundred emails or millions. Integration with our service is effortless, with sample code libraries available in multiple languages, interactive documentation, and customizable templates. TurboSMTP offers webhook integrations and automates actions based on email events, streamlining your workflow. Plus, our email validation tools ensure list accuracy, reducing bounce rates and improving deliverability. TurboSMTP not only prioritizes the reliability and efficiency of email delivery but also understands the importance of providing exceptional support to our valued customers. That's why we offer multilingual 24/7 support.

Mailgun is an email automation tool that is suitable to developers. Mailgun allows users to access a cloud-based email service that can track, send, and receive emails via their websites and applications. Mailgun supports many programming languages, including Python, Ruby and PHP. Mailgun's tracking feature allows users to track all emails and reduce spam.

KingSMTP (formerly known as Kingmailer, founded in 2017) is a simple and fully featured mail server / SMTP service for use by anyone, not just developers. Start sending, receiving or routing your emails with a few clicks.

Mailify, a European-based email marketing and SMS software company, is an industry leader. This tool is ideal for companies looking to stand out among the crowd with its innovative features and expert advice. Mailify is a complete solution. It allows you to manage your contacts, segment your database and create email and newsletters. It supports plugins for the most popular platforms such as Wordpress and Google Analytics. Our EmailBuilder is flexible and fast, allowing you add and edit more content than other tools. Smart Templates saves you time by automatically adapting email and newsletter templates. Simply enter your URL to create a dozen templates that are based on it. We have improved features like the Heatmap, Predictive Eye tracking and many more. These features allow you to identify what has caught the eye of your target audience, predict their first impressions, and even track their eye movements.

Reliable delivery of your application emails. ActiveCampaign Postmark delivers your email on time and every time to customers. Customers expect transactional emails to arrive promptly, not later. We monitor our delivery times and share the data with the public. Our knowledgeable support team is always available to assist you, via 1-on-1 calls, webinars or email. Postmark integrates seamlessly into any stack thanks to its API libraries that support almost every programming language.

-- The email engine you can build on -- We're everything that happens under the hood of your email communications. Reliable Email API with endless capabilities & features ready for integration. Flowmailer's Email Engine provides all the tools you need to build a professional email strategy. From marketing to customer support, from account management to warehousing, every email sent is valuable. Flowmailer is built for continuous high-performance, no matter the emails you're sending. Take away the difficulties of email delivery and focus on creating meaningful email communications with your customers. Email Delivery | SMTP & API | Infrastructure | Transactional Email

Sendcrux was founded in 2017 and specializes in email campaigns, with a particular expertise in cold emails. Our performance is what sets us apart, with industry-leading click and open rates. Our success is based on a dedicated, innovative team, a deep understanding audience engagement, and innovative strategies. We consistently outperform our competitors and deliver unparalleled results for clients. We are the first choice for businesses looking for high-impact, effective email marketing solutions. We will elevate your email campaigns and maximize engagement to drive exceptional results. Choose us to have a brighter and more prosperous future in marketing.

For the most reliable email delivery experience, choose the best email API or the best SMTP. Pepipost offers a robust transactional email delivery infrastructure with AI-powered inboxing that is reliable, scalable and secure. It also offers the most affordable pricing plans. We help brands engage with customers at the right time with the right content, over email.

PowerMTA is an enterprise-grade email messaging transfer agent (MTA), software that sends high-volume, business-critical email messages. PowerMTA can run on your own server, or in any public cloud like Amazon Web Services or Microsoft Azure. PowerMTA offers unrivaled reliability and powerful analytics. You have complete control over your email sending. With a simple setup, minimal hardware footprint and robust analytics, PowerMTA can improve performance, deliverability, team efficiency, and team productivity. PowerMTA with Signals is available today starting at $8,000/year. SparkPost Signals is a part of PowerMTA and provides a comprehensive view of your email sending. Analyze per domain, per-campaign and even per recipient performance to optimize your email sending and prevent future problems. PowerMTA delivers unmatched performance and delivery in a stable SMTP environment. Send high-speed messages with complete control

MailerQ is an on-premise Mail Transfer Agent (MTA), which delivers millions of emails per day. It is designed with an emphasis on performance, ease of use, and insights. The MTA includes an intuitive Management Console, REST API, as well as other functionality that will allow serious senders to maintain and improve their reputation and deliverability rates. It is becoming an increasingly popular choice for all types of senders, including banks and government institutions. The management console provides real-time insight into delivery attempts and results, queues and error logs, as well as queues and error logs per MTA, target, IP, and even per customer, campaign, or message type. You can classify bounces, process feedback loops, and adjust MTA behavior based upon server responses. This will allow you to maximize your email deliverability as well as your sender reputation.

DKIM Signing improves inbox placement for mailbox providers such as Gmail, Office365, and Office365. For increased reliability, multiple servers can be used in the USA and Europe. No more managing your own email server or IP reputation. No prior experience is required to create SPF or DKIM records for domain names. Our SMTP relay service can help you if your IP is blacklisted. Technical support is available 24x7 via chat, email, or phone. We will ensure that your mail is delivered. We will be able to deliver your mail promptly to your inbox. To ensure the best service, we optimize our sending routes and closely monitor IP reputations. We have a Zero Spam Policy which allows us to block or limit messages that could damage our reliability or affect the reputation of our customers. After you have verified domain ownership via DNS, you can send unlimited numbers of "From" addresses and domains.

Transactional emails: Reach your inbox when it matters most Send personalized, fast transactional emails via API or SMTP. Enjoy the benefits of our global experience sending billions upon billions of emails. Personalized transactional emails are sent to inboxes and not to spam folders. You can customize your analytics with pre-built dashboards and an export API. For assistance, consult our award-winning Support team or read the documentation guides. Use custom tagging and whitelabeling to create conditional content. Globally distributed infrastructure: Automatic SPAM loop registration and prewarmed dedicated IPs. Analytics can be accessed in many ways, including custom tags, A/B testing capabilities and comparative reports. White-labeled click tracking, custom reverse DNS and rules engine are available. Custom return path is also available. This is the average delivery time for top 3 ISPs. It was sent from our MTAs and to the recipient's mail server.

Get the best Email Marketing at an affordable price. To improve your sender reputation and prevent blacklisting of IP addresses due to actions taken by others, use a dedicated IP address. Use the cryptographic signatures SPF or DKIM to show that the message is from your company and domain. This will help reduce spam messages. Our SMTP servers send you emails via secure SSL connection. Moreover, it's lightning fast. You can view the total number of messages sent, the conversions made, and the links clicked for each mailing list. Our SMTP service generates sending and delivery error reports. All reports can be downloaded directly to your computer. Even if the recipient is on a mailing list, your mailings will not be sent to them. Your emails should be delivered to the inbox, not the spam folder.

Miogmail, an SMTP relay service, is the best way to get started with sending transactional and marketing emails. Send emails according to a specific action or send a series of bulk email continuously. Drag-drop editor allows you to create your own email templates or you can use a premade responsive template. Secure email infrastructure integration with SSL and DKIM is a priority. Advanced management tools and a dedicated IP address will increase your email delivery. Professional-looking personalized transactional, promo and newsletter emails. Utilize transactional/promotional SMTP or SMTP API to send bulk email.

The Sentrion platform for sending mail is designed to handle large, complex environments. However, we make a portion of it open-source. Sentrion isn't for everyone. However, if you use open-source email in a complex environment and need an enterprise platform to support your messaging roadmap for years (virtualization of consolidation, cloud migration, etc.) Sentrion may be right for you. The Domain Keys Identified Mail Internet standard allows email senders to digitally sign messages so that recipients can verify that they have not been forged. DKIM sender authentication scheme lets the recipient of a message confirm that the message was sent from the sender's domain. It also ensures that the message content is not altered. DKIM, a cryptography-based solution, provides businesses with an industry-standard way to reduce email fraud and protect their brand and reputation at a relatively low cost.

Codermails, an email software designed by Coder Technologies, is an email software. It is the best email marketing software for newsletters. Promotions, Welcome mails and Product Updates. It is compatible with both Windows and Linux. It has statistics on click-through rate and open rate.