3 Open Source Alternatives To Sendinblue

Postal is a complete and fully featured mail delivery platform designed for use by websites and web servers. Think of it as an open-source alternative to services like SendGrid, Mailgun, or Postmark, but ready for you to run on your own servers. Postal offers a robust solution for managing both incoming and outgoing emails efficiently and securely.

• Comprehensive Web Interface: Manage your mail servers and view mail logs through an easy-to-use web interface.
• Scalable: Easily horizontally scale your mail service up and down as needed.
• Webhooks: Set up webhooks to notify HTTP endpoints when messages are delivered or have issues.
• Development Mode: Automatically hold messages in Postal as needed to handle testing during development.
• IP Pools: Send mail from different IP addresses to help build and maintain good IP reputation.
• Spam & Anti-virus Integrations: Integrate with SpamAssassin, rspamd, and ClamAV to have incoming and outgoing messages checked for threats and spam.

Postal is supported by a dedicated community and backed by organizations like Krystal and Katapult. It's built with Nuxt UI Pro, ensuring a modern and responsive user experience. Whether you're a developer looking to integrate email functionalities into your applications or an enterprise needing a scalable mail server solution, Postal provides a reliable and customizable platform.

SendPortal is an open-source, self-hosted email marketing software that allows you to manage your newsletters at a fraction of the cost. Designed to keep you in control, SendPortal offers a beautiful interface and a powerful API to handle all your email marketing needs efficiently and effectively.

• Subscriber & List Management: Import or update your customers via the API or CSV upload. Slice and dice your subscribers via custom-defined segments.
• Campaign Management: Send campaigns to all of your subscribers or custom segments. Create your own beautiful templates.
• Message Tracking: Automatically track message sending, opens, clicks, bounces, and unsubscribes for each campaign.
• Multiple Workspaces: Easily handle multiple workspaces or teams through a single interface.

With SendPortal, you can stay in control, save money, and enjoy unlimited features, all while benefiting from an open-source solution.

Keila is a powerful and user-friendly open-source newsletter tool designed to help you create, manage, and analyze your email campaigns effectively. Whether you're a marketer, a business owner, or a developer, Keila offers the flexibility and features you need to reach your audience with style and precision.

• Visual Editor: Create beautiful newsletters using the visual editor, Markdown, or plain text.
• Analytics & Privacy: Collect valuable analytics while respecting user privacy, or disable tracking with a single click.
• Data Segmentation: Create segments based on user data and behavior to perfectly target your campaigns.
• Open Source: 100% AGPLv3-licensed and self-hostable, ensuring no vendor lock-in.
• API Integration: Comprehensive API for managing contacts and campaigns, with a Zapier integration in private beta.
• Form Builder: Design customizable sign-up forms with additional fields and captcha checks.
• Personalization: Use custom data and Liquid templates to create personalized and dynamic email content.
• EU Hosting: Hosted entirely on European infrastructure, guaranteeing strict privacy standards.

Keila empowers you to send effective newsletters while maintaining full control over your data. With its robust feature set and commitment to open source, Keila stands out as a reliable alternative to proprietary email marketing tools.