List Of Free SMTP Service Providers 2019

April 8, 2019 / Email Marketing


With growing competition in the email marketing sector, it has become difficult for a newbie to select any reliable SMTP server.

There might be some SMTP service providers, who promise to offer the best SMTP relay with high email deliverability rates.  But in actual, it’s just a sales strategy used by them, to entrap your innocent mind and moreover persuade you to buy their service plans.

To make your decision process easier, I have enumerated the list of Best SMTP Services along with their free plans and key features.

So, you can signup for a free account and try out the trial plan.

Whichever SMTP service provides you with better email performance and is handy enough then, you can go ahead with that SMTP service. 

So, let us check out the List Of Free SMTP Service Providers that can cater to your need with great deliverability outcomes. 

1.) Mailjet

Mailjet is an easy-to-use all-in-one e-mail platform which offers SMTP service along with marketing e-mail solution.



Free Plan –

  • Mailjet allows you to send 6000 emails per month.
  • It has a per day limit of 200 emails.
  • No expiring trial plan.
  • No credit card required for utilizing free plan.

Key Features –

  • Offers reliable SMTP relay with API & webhook.
  • You can send emails to unlimited contacts.
  • It provides an option of Real-time monitoring.
  • Comes with an Advanced Email Editor.



2.) SendGrid 

SendGrid is a cloud-based email solution which primarily offers SMTP service. It’s a great option if you are looking for sending email without having to maintain email servers.



It provides an easy to configure delivery engine which works behind the scenes with your own application or any other email application.

Free Plan –

  • Offers you with 40,000 emails for first, 30days.
  • After that, you can send 100 emails per day.
  • No expiring trial plan.
  • Even in SendGrid, you don’t need your credit card for a free plan.

Key Features –

  • Helps with Real-time Customer Engagement.
  • It has various insights & expertise to optimize your inbox delivery rates.
  • You can easily configure it with your application.
  • It extends SMTP capabilities with the X-SMTPAPI header for additional tracking.
  • It provides Web API, as another option for integration.



3.) Amazon SES –

Amazon Simple Email Service (Amazon SES) is a cloud-based email sending service which is constructed for sending marketing emails, promotional emails and transactional emails.



It is preferably the best SMTP service used by marketers because it offers an affordable pricing range and high deliverability.

Free Plan –

  • Send first 62,000 emails every month for free, from an application hosted in Amazon EC2.
  • Its pay as you go service, so you will only have to pay for what you use.
  • There are no fixed pricing plans. You can pay $1 for sending every 10K emails.
  • Credit Card Required.

Key Features-

  • It offers the most cost-effective pricing plans.
  • Provides the highest deliverability which leads your emails to reach the recipient’s inbox.
  • Enhances “Sender Domain Reputation or domain authority”.
  • Most trusted platform for all size of industries.



4.) Mailgun

Mailgun is one of the best external SMTP services which together brings a platform for both email delivery and email validation. It’s also an email automation service procured by Rackspace.



Mailgun WordPress Plugin gets integrated easily and provides a robust API feature to receive, send and track emails without a hitch.

Free Plan –

  • You can send 10,000 free emails with zero subscribers limit.
  • Access to email validation API with free 100 email credits.
  • No credit card required.

Key Features –

  •  Reduces the risk of bounce and invalid contacts by its inbuilt email validation API.
  •  Comes with better email delivery which simultaneously increases sender reputation.
  •  Easy to configure and manage.
  •  Quickly gets integrated with any email application.



5 .) Sendinblue 

Sendinblue is a full-fledged online marketing solution which is used for sending SMS, transactional and marketing emails to engage a large audience.



Free Plan – 

  • It allows you to send 300 per day.
  • Monthly you can send up to 9,000 emails.
  • No restriction on the number of contacts, so you may send emails to unlimited contacts.
  • Does not require any credit card for a free trial.

Key Features –

It is highly recognized for its exquisite features of email automation, real-time monitoring with proper email analytics and it’s email performance.



6.) Moosend 

Moosend is an email marketing platform which offers SMTP & API integration with external web applications and provides high-level automation.

It consists of affordable pricing plans with discount flexibility.

That is, you can acquire a 15% rebate if you pay for 6 months in advance and 20% discount if you pay for 12 months in advance.


Free Plan –

  • Send up unlimited email to 1000 subscribers every month.
  • No credit card required.
  • Exclude the option Moosend branding even in the free plan.
  • Offers a trial plan for unbounded time limit i.e., its free forever.

Key Features –

  • For better deliverability, they monitor their own server’s reputation after every hour.
  • Ameliorating campaigns becomes easy with its email automation hallmark.
  • Advanced List Segmentation allows you to divide the list of your prospects, also increases your open rates.
  • Track your email performance with its data-driven real-time reports.



Final Upshot 

As email deliverability depends largely on the SMTP service, which is why it is always recommended to use a professional SMTP for sending bulk emails.

So you can now try the free plan of each SMTP service, listed above and then decide that which SMTP relay will help you reach your customer’s inbox.

Good Luck…with your next e-blast..!!

And you can also find out how I increased my Email Marketing ROI by 97%.

About Neo

Customer Success Manager & an ardent writer who loves understanding and projecting customer behavior & their perceptions to reality via content or online.

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