Top 11 Free SMTP Server Solutions for Marketers and Developers in 2024

Mohan Sharma
4 min readApr 6, 2024

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I understand that you’re seeking a reliable free SMTP server for sending transactional emails. Selecting the right SMTP service provider to streamline your email sending process doesn’t have to be a daunting challenge.

By the end of this blog post, you’ll have the insights needed to confidently choose the optimal SMTP relay service for your business.

Best Free SMTP Servers For Transactional Emails

Here are the current leading free SMTP server solutions:

  1. Google
  2. Amazon SES
  3. Moosend
  4. SMTP2GO
  5. Postmark
  6. SocketLabs
  7. Pepipost
  8. Mailgun
  9. Brevo (formerly Sendinblue)
  10. Mailchimp
  11. SendGrid

1. Google

One of the most well-liked choices for people looking to send their first transactional emails is Google’s free SMTP server. To utilise the service, all you need is a Gmail account. The company’s worldwide infrastructure promotes simplicity and ease of use while minimising disruptions. For Gmail users, Google’s free SMTP service provides excellent email deliverability, ensuring that your emails don’t wind up in the spam bin.

Free emails: During the 14-day free trial, Google SMTP offers 500 emails every rolling 24-hour period.

Pricing: A 14-day trial of Google’s free SMTP server solution is available. You will then need to subscribe to a Google Workspace premium plan, which starts at $6 per month. If so, you are able to send up to 2000 emails in a 24-hour period that rolls over.

Top Qualities:

— You can send and receive emails to your Gmail account using numerous email addresses. For example, you can use Gmail to send bulk emails and add your company email address as a custom domain name.
— Excellent delivery of emails

You can click here to get instructions on configuring Google’s SMTP server.

2. Amazon SES

A sophisticated SMTP interface is offered to users via the cloud-based platform Amazon SES (Simple Email Service). You can combine Amazon with your email programme, application, etc., by using the SMTP service. An crucial aspect of any free SMTP relay server is the ability to monitor activity and reputation, which is provided by Amazon SES. All things considered, Amazon SES is a neat free SMTP choice to finish your task quickly, but it has some drawbacks.

62,000 emails per month from apps hosted on Amazon EC2 or using AWS Lambda are provided for free.

Pricing: You can send up to 62,000 emails each month with the Free Usage Tier, after which you will be charged $0.10 for each additional 1,000 emails. Additionally, each gigabyte of attachments you transmit costs $0.12.

Top Qualities:

— Excellent email deliverability that supports the most widely used authentication techniques, including DKIM, DMARC, and SPF
— Many possibilities for configuring the sender (Amazon console, Amazon SES API)
— Reputation dashboard with information on spam trap hits, prohibited sites, and delivery rate
— Many complimentary emails to get you going

Here is an example of how to send emails using the Amazon SES SMTP interface.

3. Moosend

Moosend is a highly recommended email marketing automation software. The service provides you with advanced features and responsive newsletter templates upon signup to help you grow your business. Moosend is an ESP (Email Service Provider), so it makes sense to use its SMTP protocol. You may send invoices, password reset messages, and order and account confirmations using the user-friendly SMTP service.

You can register here to begin your email marketing adventure and take advantage of a premium yet affordable service.

Emails are not free, but they are unlimited with a subscription service.

Top Qualities:

robust tracking and analytics platform ideal for performance monitoring
Excellent IP protection as a result of superior IPs and infrastructure
Easy integration with WordPress websites
Check out this resource to use the SMTP server provided by Moosend with the application of your choice. Check out this instruction if you want to integrate it with your WordPress website!

4. SMTP2GO

A free SMTP relay service called SMTP2GO helps users send emails, track them, and attain a high deliverability rate. With built-in redundancy, the service’s sophisticated network manages traffic to ensure that your emails are sent even in the event of an internet outage. You will also receive five days of premium email reporting when you sign up for the free plan. But it just lets you provide your recipients with ticket support.

Free emails: SMTP2GO’s free plan offers 1,000 emails per month

Pricing: In addition to the free plan, premium options are available that unlock additional features. They begin at $10 a month.

Top Qualities:

Real-time actionable insights to support your email tracking initiatives
Spam-trap identification
Simple API that developers and marketers may use without difficulty
Get 14 days of live chat and toll-free phone assistance to familiarise yourself with the server.
Visit this page to learn more about sending emails using SMTP2GO.

5. Postmark

The free SMTP relay server from Postmark guarantees that transactional emails will get in your clients’ inboxes quickly. The programme will provide you with advanced capabilities and responsive email templates upon registration, enabling you to develop transactional campaigns that are optimised for mobile devices. In addition, the email service offers you quick email delivery and comprehensive statistics to track your open and click-through rates. All things considered, Postmark is a reliable SMTP server option that is affordable, safe, and simple to integrate with your website or other applications.

Free emails: Postmark’s free developer plan offers 100 emails/month

Pricing: You must buy a premium plan, which starts at $10 per month for 10,000 emails, if you want to send or receive more emails than what the free plan allows. A dedicated IP address is an add-on that you can choose to purchase for an extra monthly cost.

Top Qualities:

incredibly quick email delivery
Using two-factor authentication (2FA) will protect your data.
aesthetically pleasing, responsive email templates
45 days of complete content history
Check out this guide to configure Postmark and begin using the SMTP server to send transactional emails. If you run into any issues, this helpful video will show you how to connect to WordPress.

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Mohan Sharma
Mohan Sharma

Written by Mohan Sharma

Software Developer | Writer | Ai Freak

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