Best 13 SMTP Service Provider to use in 2026

DoubleZero is a self-hosted email platform built to work with Amazon Web Services Simple Email Service. Instead of paying monthly fees to companies like SendGrid or Mailchimp, you install this software yourself and connect it to your own AWS account. This gives you full control over your email sending at a much lower cost.

useSend is a complete email platform that handles both business emails and marketing campaigns. Unlike regular email services, you only pay for emails you actually send. The platform includes a visual editor that looks like Notion, making it easy to design beautiful emails without writing code. It works through both a simple web connection and direct programming tools.

turboSMTP is an email relay service that acts as a bridge between your email program and your recipients. When you send an email through turboSMTP, it goes through their secure servers which have good relationships with internet providers worldwide.

SMTP.com is an email delivery platform that sends your business emails through their servers instead of your own. This means better delivery rates because they maintain good relationships with email providers and follow all the technical rules needed for emails to land in inboxes.

Amazon SES is a service that sends and receives emails for your business through the internet. Instead of running your own email server, you use Amazon's system to handle everything. You can send marketing campaigns, order updates, password resets, or any other emails your application needs.

Elastic Email is an all-in-one email service that handles both marketing campaigns and transactional messages. You can use it to create beautiful newsletters, automate email sequences, and send important messages like order confirmations or password resets. The platform includes several key components.

SMTP2Go is a tool that sends your emails through its secure servers instead of your regular email system. This helps avoid problems like emails going to spam or getting blocked by internet providers.

Zoho Mail is a complete email solution for businesses that need professional communication tools. You get your own branded email address using your company domain name, which looks more professional than free email services. The platform includes a clean inbox without any advertisements or distractions.

SendGrid is a complete email delivery system that works in the cloud. You can use it in two ways: through an API for automatic emails from your website or app, or through a user interface for creating marketing campaigns.

MailerSend is a cloud-based email service that focuses on sending emails automatically from your apps or websites. Unlike regular email services for marketing campaigns, MailerSend specializes in sending individual messages triggered by user actions.