✨ Supports IMAP/SMTP, JMAP and EWS

All your E-mail, from all your accounts, in one place

Cypht (pronounced "sift") is like a news reader, but for email. It doesn't replace your existing accounts, it combines them into a single, streamlined inbox.

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What is Cypht?

About Cypht

Cypht unifies your emails and RSS feeds in a simple, clear interface for easy message management.

Mail icon

A standard E-mail client

Combined views for multiple accounts, IMAP folder management, and outbound messages with SMTP.

Module system illustration

A set of plugins

Built entirely on module sets that let you add features or customize behavior without touching the core code.

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Privacy‑first

Open Source (LGPL v2.1), written in PHP and JavaScript. A lightweight webmail for ISPs, schools, businesses, or personal use.

Key Features

A new way to manage your emails

No more switching tabs. Cypht gives you a clear and centralized view of all your communications.

Unified Interface

Combined inbox for all your email accounts

Get unified views for inbox, unread, sent, and flagged messages across all your accounts in one place, including RSS feeds.

Cypht Unified Interface
Cypht Unified Interface

Advanced Email Management

Move or copy emails between accounts. Compose in plain text, HTML, or Markdown with flexible signature options.

Cypht Unified Interface

Universal Search

Instantly search across all your email accounts and RSS feeds with a powerful search engine.

Extensive Module System

Easily extend functionality with a flexible and scalable module system.

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Server-Side Filtering

Organize your inbox with Sieve email filtering that works even when you're offline.

Flexible Authentication

Support for IMAP, LDAP, database, and popular email providers with auto-discovery.

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faq

Frequently Asked Questions

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Yes! Cypht is specifically designed to manage multiple email accounts simultaneously. You can add accounts from various providers (Gmail, Outlook, IMAP, JMAP, EWS) and access them all through a unified interface.

Yes, Cypht supports multiple users. Each user can have their own login and manage their collection of email accounts independently.

The Combined Inbox displays emails from all your connected accounts in one unified view, allowing you to read, sort, and manage messages from different providers without switching between accounts.

Yes, Cypht supports Sieve filters. Go to Settings > Sieve Filters, select your account, and create filters to automatically organize emails based on criteria like sender, subject, or keywords.

Yes, Cypht includes a contact book. You can add contacts manually from contacts page or quickly add senders by clicking the person icon in received messages.

Click “Add” in the accounts section. For services like Gmail or Outlook, you may need to configure OAuth settings in your configuration file.