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5 Best SMTP Service Providers for 2019

An SMTP service provider helps you reliably send emails from your website to your users.

SMTP servers are specially configured to ensure that your emails reach users’ inbox and don’t end up in the junk mail folder.

In this article, we will share the best SMTP service providers with high email deliverability.

Why You Need an SMTP Service Provider for Emails?

All websites rely heavily on email to do various tasks. For example:

  • Recovering lost password
  • Registering a new account
  • Notifications for comments, new articles, password changes, and more
  • If it’s an online store, then sending a customers order confirmation, invoices, and delivery information via email.

What is SMTP?

SMTP or Simple Mail Transfer Protocol is the industry standard to send emails on the internet. It uses proper authentication which increases the chances that your emails will actually get delivered in the users inbox.

There are both paid and free SMTP service providers. In fact, you can get a free SMTP account with a business email address from Google or Outlook.

Best SMTP Service Providers

There are many SMTP service providers that allow you to send mass emails, WordPress emails, transactional emails, and more.

However, each one of them is different in terms of features, pricing, ease of use, number of emails allowed on free plan, and most importantly their track record on deliverability.

Following are the best SMTP service providers that offer higher deliverability and best set of features.

  1. Mailjet


    Mailjet is the best SMTP service provider on the market. They offer a beginner-friendly email marketing and transactional SMTP email service.

    You can easily integrate Mailjet with your website and use it to send WordPress emails using SMTP. They offer a highly robust API with SMTP relay service to ensure that your emails don’t end up in spam.

    Other notable features include drag and drop editor with email templates, built-in email marketing features, transactional SMS, marketing automation, and more. They also offer A/B testing and advanced statics to monitor your open rate, delivery rates, clicks, and more.

    Pricing: Mailjet offers a free plan with up to 6000 emails every month (200 emails per day). Their paid plans start from $8.69 per month (billed annually) with 30,000 emails per month (no daily limit).

  2. Mailgun


    Mailgun is a popular SMTP service provider for developers and businesses. They offer powerful APIs to send transactional emails.

    It is easy to integrate into your website. Whether you are an eCommerce store, a membership website, or a small business, Mailgun offers an easy to scale SMTP service to send your marketing and transactional emails.

    It is designed for developers and lacks some of the beginner-friendly features of other SMTP providers on the list.

    Pricing: Mailgun offers a ‘pay as you go’ plan with first 10,000 emails free. The free plan is more than enough for small websites. Their paid plans are fairly competitive in the market. However, if you want a dedicated IP and improved deliverability, then it starts at $79 per month with 1 dedicated IP address.

  3. SendGrid


    SendGrid is a powerful cloud-based SMTP email service provider that allows you to send mass emails without managing an SMTP server. It offers higher scalability with a powerful set of features.

    Their SMTP relay is easy to set up and works with any website. It includes delivery optimization tools, email analytics, email templates with a simple email editor, and integrations with third-party apps and services.

    If deliverability is your main concern, then SendGrid offers great tools to further improve email delivery including dedicated IP addresses and domain name authentication tools.

    Pricing: They offer a free plan with first 40,000 emails free and then 100 emails per day. Their paid plans start at $14.95 per month.

  4. Amazon SES


    AWS or Amazon Web Services is the industry leader in cloud computing infrastructure. They also offer Amazon SES or Amazon Simple Email Service as an add-on to their web services.

    It is a powerful cloud-based SMTP service for marketers and developers to easily send marketing, notification, and transactional email campaigns.

    It offers higher deliverability with the cost efficiency of AWS. You get a lot of powerful features, but most of them are suitable for advanced users and developers.

    Amazon SES can be easily integrated into your website and depending on your usage, Amazon SES can be the cheapest SMTP service in the market.

    Pricing: If your website is hosted on AWS, then you can use their free tier to send 62,000 emails each month. For other websites, pricing starts at $0.10 for every 1,000 emails you send.

  5. G Suite


    G Suite is Google’s productivity suite for businesses. It allows you to use calendar, Google Drive, Docs, Photos, and Gmail with your own domain name.

    This allows you to get a professional business email address while still using the familiar interface of Google. G Suite 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.

    However, it is only suitable for small business websites and blogs because it can only send 2,000 messages a day.

    Pricing: Starts from $6 per user per month.

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