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SendPortal vs Resend: Features, Pricing and User Reviews 2026

SendPortal logo

SendPortal

Free Open Source Email Marketing

SendPortal screenshot
VS
Resend logo

Resend

Email API Built for Developers

Resend screenshot

What are SendPortal and Resend?

SendPortal logo
SendPortal

SendPortal is an open-source email marketing application that you host on your own server. Unlike paid services that charge per subscriber or per email, SendPortal is completely free to download and use. You just pay for your own hosting and the email sending service you choose.

The platform includes all the features you need to run email campaigns: subscriber lists, custom templates, message tracking, and detailed reports. It can handle multiple workspaces, making it useful for agencies managing different clients. SendPortal connects to major email providers through APIs, which means you get professional email delivery at wholesale prices.

Because it is self-hosted, you maintain complete control over your data and can customize the platform to fit your exact needs.

Resend logo
Resend

Resend is an email API service that helps developers send emails from their applications. Think of it as the delivery system for your app's emails - whether that's password resets, welcome messages, or marketing campaigns.

The platform offers two main services: sending individual emails through their API, and sending marketing emails to groups of contacts. You can use any programming language, as Resend provides ready-made code libraries for Node.js, Python, Ruby, Go, PHP, Java, and more.

One standout feature is the React Email integration. This lets you build email templates using React components, which is much easier than writing traditional HTML email code. Resend also includes tools to track delivery, monitor email opens and clicks, and ensure your emails reach inboxes instead of spam folders.

Features of SendPortal and Resend

SendPortal logo
SendPortal
  • Free and open-source software

  • Self-hosted on your own server

  • Unlimited subscribers and campaigns

  • CSV and API subscriber imports

  • Custom audience segments

  • Email template builder

  • Automatic tracking of opens and clicks

  • Multiple workspace support

  • Integration with major email services

  • Complete data ownership

  • No monthly fees or hidden costs

Resend logo
Resend
  • Developer-friendly REST API with multiple SDKs

  • React Email integration for modern templates

  • Real-time webhooks for email events

  • Domain verification and authentication tools

  • Deliverability monitoring and analytics

  • Transactional and marketing email support

  • Batch sending and scheduling

  • Email tracking (opens, clicks, bounces)

  • Audience management tools

  • Test mode for development

  • Multi-region email sending

  • GDPR and SOC 2 compliant

Use Cases of SendPortal and Resend

Pricing of SendPortal and Resend

SendPortal logo
SendPortal

SendPortal is completely free to download and use. There are no subscription fees, no per-subscriber charges, and no feature limitations. The software is open-source and licensed under MIT, which means you can use it for any purpose, including commercial projects.

However, you will need to cover two costs:

Hosting: You need a web server to run SendPortal. This could be a shared hosting account, VPS, or cloud server. Costs vary from $5 to $50 monthly depending on your needs and traffic.

Email Sending Service: SendPortal connects to third-party services to send emails. Amazon SES costs around $0.10 per 1,000 emails. Mailgun offers 5,000 free emails monthly, then $0.80 per 1,000. These services are much cheaper than traditional email marketing platforms.

Resend logo
Resend

Resend offers flexible pricing for both individual emails and marketing campaigns.

Transactional Email Plans:

Free Plan: Send up to 3,000 emails per month with a 100 emails per day limit. Includes ticket support, 1 domain, and 1-day data retention.

Pro Plan ($20/month): Send 50,000 emails monthly with no daily limits. Includes 10 domains, 3-day data retention, and ticket support.

Scale Plan ($90/month): Get 100,000 emails per month with 1,000 domains, 7-day data retention, and Slack support. Dedicated IP available as an add-on.

Enterprise Plan: Custom pricing based on your needs with priority support, flexible retention, unlimited domains, and dedicated IPs included.

Marketing Email Plans:

Free Plan: Manage 1,000 contacts with unlimited broadcast sending, 1 audience, and 1 domain.

Pro Marketing ($40/month): Handle 5,000 contacts with unlimited broadcasts, audiences, and domains. Includes Slack support and marketing analytics.

Enterprise Marketing: Custom pricing with unlimited contacts, broadcasts, audiences, and priority support with dedicated IPs included.

FAQs: SendPortal vs Resend

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SendPortal
Resend logo
Resend

Reviews: SendPortal vs Resend

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SendPortal
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Resend logo
Resend
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Based on 0 reviews

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Compare SendPortal With Other Tools

Compare Resend With Other Tools