phpList

phpList is an open source email marketing and newsletter manager for creating, sending, and analyzing email campaigns. It provides subscriber list management, campaign scheduling, and deliverability tooling, designed for organizations that want to run email programs on their own infrastructure.

Key Features

• Web-based admin interface plus command-line tools for management and sending
• Subscriber management with custom attributes, preferences, and segmentation
• Campaign scheduling controls (pause, resume, repeat, requeue)
• Personalization of message content based on subscriber data
• Real-time campaign analytics for engagement and delivery outcomes
• Bounce processing with policy/regex-based handling and bounce archiving
• Message queue management with throttling and load balancing across campaigns
• Import/export of subscribers (including CSV and spreadsheet-based workflows)
• RSS-to-email capability for sending updates on a schedule
• Extensible plugin-based architecture and multiple APIs for integration

Use Cases

• Sending newsletters for communities, nonprofits, and membership organizations
• Running segmented marketing campaigns and automated scheduled mailings
• Managing deliverability workflows such as throttling and bounce handling

Limitations and Considerations

• Requires careful configuration of sending infrastructure and deliverability settings for large-scale mailings
• Feature set and UI can depend on installed themes and plugins

phpList is a mature, widely used platform focused on operational control of email campaigns, list hygiene, and reporting. It suits teams that need a reliable newsletter system with integration options and full control over data and sending policies.