List of email service providers

Here is a list of email service providers, including details about their deliverability and pricing.

Part of our complete guide to self-hosted email deliverability. In a hurry? See SES vs Postmark vs Mailgun for a quick recommendation.

Table of Contents

1. Mailgun
2. SendGrid
3. Postmark
4. Elastic Email
5. Resend
6. Mailjet
7. Brevo (formerly Sendinblue)
8. Scaleway Transactional Email
9. Spotler SendPro (formerly Flowmailer)
10. Mailchimp
11. Amazon SES
12. Postal
13. SparkPost

Mailgun

Mailgun is a popular transactional email API service for developers. It offers powerful features for sending, receiving, and tracking emails. The operating company, Mailgun Technologies, Inc., is a US company; since December 2021 it has been part of Sinch AB (Sweden). As a US company it is subject to the CLOUD Act, whichever region you pick.

• Deliverability: Known for high deliverability rates and advanced routing options
• Pricing: Free plan with 100 emails/day. Paid plans start at $15/month for 10,000 emails; Foundation is $35/month for 50,000 emails
• EU region: Mailgun has an EU region (api.eu.mailgun.net). Message data (messages, logs, suppressions, stats, routes, IPs) stays in the region, but account data, users, billing, API keys and domain names are replicated globally.

SendGrid

SendGrid is a cloud-based email delivery platform that provides reliable transactional and marketing email services.

• Deliverability: Excellent deliverability rates with advanced authentication options
• Pricing: No permanent free plan since 2025, only a time-limited free trial. See SendGrid’s pricing page for current plans

Postmark

Postmark specializes in delivering transactional emails with high speed and reliability.

• Deliverability: Known for exceptional deliverability and low spam ratings
• Pricing: Free developer plan with 100 emails/month. Paid plans start at $15/month for 10,000 emails

Broadcast Integration Features

When using Postmark with Broadcast, you can choose between SMTP and API delivery methods:

• API Delivery (Recommended): Direct API integration for faster sending, better error handling, and access to advanced features
• SMTP Delivery: Traditional SMTP for compatibility with any infrastructure
• Full Webhook Support: Automatic tracking of deliveries, bounces, opens, clicks, and complaints
• Bounce Management: Automatically unsubscribes hard bounces to protect your sender reputation
• Email Tracking: Real-time open and click tracking with detailed engagement metrics
• Message Streams: Support for both transactional and broadcast message streams

Setting Up Postmark with Broadcast

For SMTP Delivery: 1. In Broadcast, go to Settings → Email Servers and create a new server with vendor “Postmark” 2. Select “SMTP” as the delivery method 3. Configure SMTP settings (smtp.postmarkapp.com, port 587) 4. Enter your Postmark SMTP credentials

For API Delivery (Recommended): 1. In Broadcast, go to Settings → Email Servers and create a new server with vendor “Postmark” 2. Select “API” as the delivery method 3. Enter your Postmark Server API Token (found in your Postmark server settings) 4. Save and start sending with improved performance

Webhook Setup

Configure webhooks in your Postmark server settings: 1. Webhook URL: https://your-broadcast-domain.com/wh/postmark 2. Enable webhook events: Delivery, Bounce, Spam Complaint, Open, Click

See the Email Metrics documentation for detailed Postmark webhook setup instructions.

Elastic Email

Elastic Email offers a cost-effective solution for both transactional and marketing emails.

• Deliverability: Good deliverability rates with comprehensive tools for improvement
• Pricing: Free plan with up to 3,000 emails/month (100/day). The Email API Starter plan costs $19/month for 50,000 emails

Resend

Resend is a newer player in the email API space, focusing on developer experience and modern features.

• Deliverability: Promising deliverability rates with built-in best practices
• Pricing: Free plan with 3,000 emails/month (100/day). Pro starts at $20/month for 50,000 emails

Broadcast Integration Features

When using Resend with Broadcast, you get the following additional benefits:

• Automatic Webhook Handling: Full support for Resend webhooks including delivered, bounced, complained, opened, clicked, and failed events
• Bounce Management: Automatically unsubscribes email addresses that hard bounce to protect your sender reputation
• Complaint Handling: Automatically unsubscribes recipients who mark emails as spam
• Email Tracking: Real-time tracking of email opens and clicks for detailed engagement metrics
• Simple Setup: Configuration through Broadcast’s email server settings

Setting Up Resend with Broadcast

1. Add Resend as Email Server: In your Broadcast admin, go to Settings → Email Servers and create a new server with vendor “Resend”
2. Configure SMTP Settings: Use Resend’s SMTP settings (smtp.resend.com, port 587)
3. Set Up Webhook: In your Resend dashboard, configure the webhook URL: https://your-broadcast-domain.com/wh/resend
4. Enable Event Types: Make sure to enable all relevant events in Resend: delivered, bounced, complained, opened, clicked, failed

Supported Webhook Events

Broadcast automatically processes the following Resend webhook events:

• email.delivered - Marks emails as successfully delivered
• email.bounced - Automatically unsubscribes bounced email addresses
• email.complained - Automatically unsubscribes recipients who report spam
• email.opened - Tracks email opens with timestamps
• email.clicked - Tracks link clicks with timestamps
• email.failed - Handles failed deliveries as bounces

This integration ensures your email lists stay clean and your sender reputation remains high by automatically handling bounces and complaints.

Mailjet

Mailjet provides an all-in-one solution for sending, tracking, and delivering emails. It was founded in France and is headquartered in Paris. Mailgun acquired it in 2019, and Sinch AB (Stockholm, Sweden) bought both when it acquired their parent Pathwire in December 2021. It now operates as “Mailjet by Sinch”.

• Deliverability: Solid deliverability rates with real-time monitoring
• Hosting: Google Cloud Platform, with data stored and processed in the EU
• Pricing: See Mailjet’s pricing page for current plans

Brevo (formerly Sendinblue)

Sendinblue renamed itself Brevo on 4 May 2023. It is based in Paris, and its legal entity is still called Sendinblue SAS. Brevo offers a suite of marketing tools, and every plan includes transactional email through an API and an SMTP relay, so you can use it as the sending provider for Broadcast.

• Deliverability: Good deliverability rates with AI-powered send-time optimization
• Pricing: Priced by email volume, not contacts. Free plan with 300 emails/day. Starter from €7 (US$9) per month for 5,000 emails.
• Hosting: OVH (servers in France) and Google Cloud Platform (servers in Belgium). Its sub-processor list also includes US vendors such as Cloudflare.

Scaleway Transactional Email

Scaleway, the French cloud provider owned by the iliad Group, sells a transactional email service. Scaleway only allows transactional email on it (password resets, order confirmations and similar). Newsletters and other marketing email are not permitted, so do not use it for Broadcast campaigns.

• Pricing: Pay-as-you-go with 300 emails included, then €0.25 per 1,000 emails. The Scale plan costs €80/month for 100,000 emails and adds a dedicated IP and a 99.9% SLA.

Spotler SendPro (formerly Flowmailer)

Flowmailer, a Dutch transactional email provider, joined Spotler Group in March 2020 and is now called Spotler SendPro. Spotler Group is headquartered in The Hague. SendPro is a transactional email and SMS API.

• Pricing: See Spotler’s site for current plans

Mailchimp

Mailchimp is a popular marketing platform that includes email marketing, automation, and CRM features. It is owned by Intuit. Mailchimp’s servers are in the United States, and it offers no EU data residency. It relies on the EU-U.S. Data Privacy Framework (through Intuit’s certification) with standard contractual clauses as a fallback.

• Deliverability: Strong deliverability rates with advanced segmentation options
• Pricing: See Mailchimp’s pricing page for current plans

Amazon SES

Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service.

• Deliverability: Good deliverability rates, especially when used with AWS infrastructure
• Pricing: Pay-as-you-go model, starting at $0.10 per 1,000 emails
• European regions: For EU sending, use eu-central-1 (Frankfurt), which has both an API and an SMTP endpoint (email-smtp.eu-central-1.amazonaws.com). Ireland, London, Paris, Stockholm, Milan and Zurich are also available, but Milan and Zurich have no SMTP endpoint. Amazon is still a US company: an EU region decides where the data is stored, not who the provider is.

Broadcast Integration Features

Broadcast supports both SMTP and API delivery methods for AWS SES:

• API Delivery (Recommended): Direct API integration using AWS SDK for better error handling and faster sending
• SMTP Delivery: Traditional SMTP for maximum compatibility
• Configuration Sets: Support for AWS SES Configuration Sets for advanced tracking
• SNS Webhook Integration: Automatic bounce, complaint, open, and click tracking via SNS
• Regional Support: Connect to any AWS SES region worldwide
• IAM Authentication: Secure API authentication using AWS access keys

Setting Up AWS SES with Broadcast

For SMTP Delivery: 1. In Broadcast, go to Settings → Email Servers and create a new server with vendor “AWS SES” 2. Select “SMTP” as the delivery method 3. Configure SMTP settings for your region (e.g., email-smtp.us-east-1.amazonaws.com, port 587) 4. Enter your SMTP credentials

For API Delivery (Recommended): 1. In Broadcast, go to Settings → Email Servers and create a new server with vendor “AWS SES” 2. Select “API” as the delivery method 3. Enter your AWS Access Key ID and Secret Access Key 4. Select your AWS region 5. Optionally, specify an AWS SES Configuration Set for webhook tracking

See the Email Metrics documentation for detailed AWS SES webhook setup instructions using SNS and Configuration Sets.

Postal

Postal is a self-hosted email platform that gives you full control over your email infrastructure.

• Deliverability: Deliverability depends on your server setup and management
• Pricing: Open-source and self-hosted, costs depend on your infrastructure

SparkPost

SparkPost is an email delivery and analytics platform designed for developers and enterprise organizations.

• Deliverability: Excellent deliverability rates with predictive analytics
• Pricing: SparkPost is now sold as Bird Email. Bird has a free plan with 1,000 emails/month and paid plans from $15/month for 50,000 emails

Conclusion

When choosing an email service provider, consider factors such as deliverability rates, pricing, features, and integration capabilities. Many providers offer free trials or plans, allowing you to test their services before committing. Always ensure that the provider you choose complies with email regulations and best practices to maintain a good sender reputation.

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