Best and Free SMTP Email Service Providers


Best SMTP email service providers for higher deliverability can be very useful as it allows you to send emails from your website to reach the users’ inbox and don’t end up in the junk mail folder.
When it comes to email marketing strategy, SMTP or Simple Mail Transfer Protocol is an essential international protocol followed by brands online. While in case of a WordPress website, they rely heavily on email to do various tasks like recovering a lost password, registering a new account, notifications for comments, new articles, password changes, and more.
But, there are many complaints around WordPress inability to send emails which can be a result of the function not configured properly while some disable it completely to prevent their servers from abuse as misusing this feature is common. Apart from this, the emails sent by WordPress do end up in spam, making Best SMTP email service providers out there a great option especially when it is free and effective.
There are both paid and free SMTP service providers out there offering the solutions of industry standard to send emails on the internet which uses proper identification allowing the mail to get delivered in user’s inbox. You can get a free SMTP account with a business email address from Google or Outlook which many businesses do have.
Let’s take a look at the Best SMTP email service providers with high deliverability.
Many SMTP service providers allow you to send mass emails, WordPress emails, transactional emails, and more while each of them brings to the table different elements in terms of features, pricing, ease of use, number of emails allowed on the free plan, and most importantly their track record on deliverability.



Used majorly by the businesses, the Sendin Blue, a leading name in the Best SMTP email service providers list, is a powerful marketing platform used for transactional emails, email marketing, SMS marketing, and live chat. This easy to use SMTP is fast as it quickly gets integrated with WordPress.
Some of their features of SendinBlue include its highly extensible API, ability to integrate with WordPress and other third-party platforms like OptinMonster, Salesforce, Google Analytics and many more, and powerful personalization and marketing automation features to help with your marketing campaigns.
When it comes to pricing, SendinBlue has a free plan with 300 emails per day for life and their paid plans start from $25 per month with 40,000 emails per month and no daily sending limits.


The cloud-based SMTP email service provider, SendGrid allows you to send mass emails without managing an SMTP server. The server has more than 800,000 customers and handles billions of emails per month as it has an excellent global support network along with a scalable service infrastructure.

The SMTP relay is easy to set up and works with any WordPress site, but what makes it different from its other competitors is its delivery optimization tools, email analytics, email templates with a simple email editor, and integrations with third-party apps and services and what is the best thing about this service provider is the great tools it offers to further improve email delivery including dedicated IP addresses and domain name authentication tools.
Unlike other platforms which offer the free number of mails per day, SendGrid offers a free plan with first 40,000 emails free and then 100 emails per day. You want to send more emails in a day, you are buying their paid plans which start at $14.95 per month.

Launched by the tech giant, Google Suite is Google’s productivity suite for businesses as it allows the use of Google free services like calendar, Google Drive, Docs, Photos, and Gmail with your domain name.
While this platform allows you to have your professional custom email to get generated, securing back up emails and files, collaborate in real-time from any device, easily access all your tools from one place, etc, it also allows you to use Google SMTP servers to send out emails which means you can set up an email account for your WordPress site and then use it to send WordPress emails.
Your business can benefit from this platform as you can send 2000 emails per 24 hours with Gsuite while the pricing starts from $6 per user per month.
Amazon SES or Amazon Simple Email Service, a product by the cloud computing infrastructure business leader, AWS or Amazon Web Services is as an add-on to their web services. Your search for an SMTP for your business can come to an end with the powerful cloud-based SMTP service for marketers and developers to easily send marketing, notification, and transactional email campaigns.
This is a powerful tool that is best suited for advanced users and developers with its powerful features, cost-effectivity, easy integration with your WordPress site with the help of plugins. Whether you have or have not hosted on AWS, this add-on can be one of the cheapest SMTP services in the market as you can use their free tier to send 62,000 emails each month and if not, you can purchase plans which start at $0.10 for every 1,000 emails you send.


All these providers have high effectiveness, so you can choose your best SMTP service provider on the basis of the needs of your business.


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