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Top 5 Best SMTP Relay Services 2024: [Upto 99% Inboxing]

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In this post, we are going to share a view on the Best SMTP Relay Services 2024.

What are you looking for in a free SMTP Relay Service or Server? An effective email marketing campaign necessitates the use of an SMTP Relay Server.

Your email’s deliverability and open rate can be greatly improved by using an SMTP Relay Server (also known as an SRS).

Has been supplied below a list of reliable premium and free SMTP Relays with a wide range of settings.

5 Best SMTP Relay Services 2024

Here is the list of the best SMTP Relay Services:

1. Sendinblue

Sendinblue is the most popular SMTP relay solution for email marketing. The greatest alternative for those searching for a one-stop shop for all of their digital marketing requirements.

Simply drag and drop pre-made designs into your email editor to get started, or start from scratch. Your emails will get more attention if you target them to a certain group of people.

Sendinblue Overview - Best SMTP Relay Services

A/B testing options may help you enhance your emails.

2. Turbo SMTP

Sending emails has never been easier with Turbo SMTP, a world-renowned SMTP relay service. To better serve its clients, it’s the only SMTP relay in the world that’s always on.

Turbo SMTP Overview

Live chat, phone, or a ticket can be used to get in touch with them if you have any problems.

3. Pepipost

An SMTP relay service called Pepipost sends emails directly to customers’ mailboxes Your bulk email campaigns will be up and running within minutes after deploying our SMTP relay server.

In addition to the above, numerous more third-party integrations are available. Create and administer sub-accounts using a master account.

Each IP address assigned to a sub-unique account may send emails on behalf of several domains.

4. Mailjet

SMTP relay service provider and email marketing tool, Mailjet, is another option. It has a drag-and-drop email builder that enables you to generate attractive responsive emails.

Mailjet Overview - Best SMTP Relay Services

You may send emails by integrating their API or connecting their SMTP Relay server.

5. Amazon Simple Email Service (SES)

For enterprises of all sizes, SMTP Relay Server is a popular and reliable SMTP relay server. Marketing and transactional email campaigns can be sent in bulk with this tool.

Amazon Simple Email Service (SES)

Use AWS SDKs or the SMTP interface to integrate Amazon into your existing app. Amazon SES’ email sending capabilities can also be integrated with your existing software, such as a ticketing system and email clients.

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Conclusion: Best SMTP Relay Services 2024

The five finest free SMTP Relay Servers that ensure a 99.9% delivery rate to inboxes were mentioned above. SMTP Relay Services are available at a variety of price points and configurations to suit your company’s needs.

Using any of these SMTP providers won’t be difficult or time-consuming. Sendinblue or Pepipost are great options. Deliverability rates for both SMTP relays are the best in the industry.

You don’t have to think twice about choosing one of them.


Jitendra Vaswani is the founder of SchemaNinja WordPress Plugin, prior to SchemaNinja he is the founder of many internet marketing blogs, and He is a successful online marketer & award-winning digital marketing consultant. He has been featured on HuffingtonPost, BusinessWorld, YourStory, Payoneer, Lifehacker & other leading publications as a successful blogger & digital marketer. Jitendra Vaswani is also a frequent speaker & having 8+ yrs experience of in the Digital Marketing field. Check out his portfolio( Find him on Twitter, & Facebook.