Squirrelmail

Squirrelmail

Squirrelmail is an open source webmail client that allows users to access email accounts through a web browser. It supports SMTP, POP3 and IMAP protocols for sending and receiving emails.
Squirrelmail image
opensource webmail email pop3 imap smtp

Squirrelmail: Open Source Webmail Client

Squirrelmail is an open source webmail client that allows users to access email accounts through a web browser. It supports SMTP, POP3 and IMAP protocols for sending and receiving emails.

What is Squirrelmail?

Squirrelmail is a standards-based webmail package written in PHP that allows users to access email accounts through a web browser. It supports major email protocols including SMTP, POP3, and IMAP for sending and receiving emails.

Some key features of Squirrelmail include:

  • Open source and free to use
  • Supports a wide range of IMAP servers including Courier, Cyrus, Dovecot, Exchange, Exim, and Qmail
  • Customizable themes and skins
  • Address books, folders, message searching and spell checking
  • Support for multiple languages
  • Compatible with most web servers like Apache, Lighttpd, and Nginx

Overall, Squirrelmail is a great option for those looking to access email through the web without needing to install and configure a full-fledged email client. Its simple interface makes it easy for end users while still providing robust email capabilities.

Squirrelmail Features

Features

  1. Webmail access
  2. Support for POP3 and IMAP
  3. Address book
  4. Spam filtering
  5. Email folders
  6. Email attachments
  7. Email search
  8. Email templates
  9. Multi-language support

Pricing

  • Open Source

Pros

Free and open source

Easy to install and configure

Supports major email protocols

Active development community

Customizable and extensible

Cons

Outdated interface

Limited mobile support

Lacks some features of modern webmail clients

Can be resource intensive for large deployments

Potential security vulnerabilities


The Best Squirrelmail Alternatives

Top Social & Communications and Webmail Clients and other similar apps like Squirrelmail


Roundcube icon

Roundcube

Roundcube is a free and open source web-based IMAP email client. It was designed from the ground up to be fast, flexible and easy to install and use. One of the main goals is having an efficient and visually appealing graphical user interface that is both intuitive and functional.Some of...
Roundcube image
Rainloop icon

Rainloop

Rainloop is an open-source, self-hosted webmail application with a focus on modern features and lightweight code. Some key aspects of Rainloop:Open source under AGPLv3 license so it's free to useWorks with common email protocols like IMAP, POP3, SMTPSupports multi-account email with unified inboxModern threaded conversations and email taggingContact management, calendar,...
Rainloop image
NeutronMail icon

NeutronMail

NeutronMail is an open-source, privacy-focused email service launched in 2019. It was created as an alternative to mainstream email providers like Gmail and Yahoo Mail, with a strong emphasis on user privacy and security.Some of the key features of NeutronMail include:End-to-end encryption - Messages are encrypted between the sender and...
NeutronMail image
NeoMail icon

NeoMail

NeoMail is an open-source email server software designed for self-hosting. It aims to provide a secure, private, and easy-to-use email service.Some key features of NeoMail include:Support for IMAP, SMTP, and POP3 protocolsEasy installation and management with a web UIBuilt-in support for encryption using OpenSSLSpam filtering capabilitiesCalendaring and contacts syncMobile device...
NeoMail image
Isotope Mail Client icon

Isotope Mail Client

Isotope Mail Client is an open-source email client developed by Isotope Technologies. It is available for Windows, macOS and Linux operating systems.Isotope focuses on providing strong privacy protections and supports end-to-end email encryption using PGP (Pretty Good Privacy). Private keys can be stored locally on the user's device or on...
Isotope Mail Client image
Cypht icon

Cypht

Cypht is an open source web-based email client focused on privacy and security. Developed by Worldforge, Cypht allows accessing emails through the TOR network to enhance anonymity. It has native PGP encryption for signing and encrypting emails to protect sensitive communications.Key features of Cypht include:Compatible with IMAP and POP3 email...
Cypht image
Mailpile icon

Mailpile

Mailpile is an open source email client developed with a focus on encryption and privacy. It stores all user data locally by default and provides easy-to-use encryption for emails through OpenPGP and S/MIME standards.Key features of Mailpile include:Full text search across all emails with advanced sorting and filtering optionsSecure encrypted...
Mailpile image
Webmail Lite icon

Webmail Lite

Webmail Lite is a free, web-based email service that allows users to access their email accounts through a web browser interface instead of using a desktop email client. It provides essential email functions like:Sending and receiving emailsOrganizing emails into foldersSearching emailsEmail attachmentsContact managementEmail signaturesSpam filteringAs a web application, Webmail Lite...
Webmail Lite image
Atmail Email Server icon

Atmail Email Server

Atmail Email Server is an on-premises email and collaboration platform designed for businesses and organizations. It provides a full-featured mail server along with additional functionality like calendars, contacts, tasks, notes, chat, and file storage.Key features of Atmail include:Easy installation on Linux or Windows serversScalable to support large numbers of mailboxes...
Atmail Email Server image
PrivMX WebMail icon

PrivMX WebMail

PrivMX WebMail is an open-source webmail application developed with a strong focus on privacy and security. It is designed to be self-hosted, allowing you to take control over your email data rather than relying on third-party services.Some of the key features of PrivMX WebMail include:End-to-end encryption using OpenPGP to keep...
PrivMX WebMail image
NOCC icon

NOCC

NOCC is an open-source network operations and cybersecurity center software designed to monitor, analyze and secure IT environments. Some key features and capabilities of NOCC include:Network monitoring and alerting - Monitor network traffic, bandwidth usage, uptime and identify anomalies or threats.Log collection and analysis - Collect and correlate log data...
NOCC image
AtMail Open icon

AtMail Open

AtMail Open is an open source email server software designed to be a fast, reliable, and secure on-premises email platform for small to medium-sized businesses. It is developed by Atmail, an Australian-based company.Some key features of AtMail Open include:High delivery performance and scalability to handle large volumes of emailOpen standards...
NaSMail icon

NaSMail

NaSMail is an open-source email server that you can self-host on your own infrastructure to get the privacy and control of owning your own mail server. It is designed to be easy to install, maintain, and manage while still providing enterprise-grade email functionality.Some key features of NaSMail include:End-to-end message encryption...
NaSMail image
PhlyMail icon

PhlyMail

phlyMail is an open source email, calendar, contacts and collaboration suite. It provides robust tools for communication and productivity with the following features:Email with IMAP and POP3 support, spam filtering, email aliases, auto-replies and moreShared calendar, tasks, notes and file storageAddress book with contact lists and distribution groupsUser and permission...
CacoCloud icon

CacoCloud

CacoCloud is a popular cloud storage and file sharing service launched in 2009. It allows users to store files online, share them, and access them from any device. CacoCloud offers a free storage tier and paid subscription plans for more storage space.Some key features of CacoCloud include:File storage and sync...
CacoCloud image
Postaci icon

Postaci

Postaci is an open-source customer support software designed specifically for small businesses and startups. It allows small teams to efficiently manage customer conversations across multiple channels like email, live chat, social media messengers and more - all from a unified and intuitive inbox.Some key features of Postaci include:Unified inbox to...
Postaci image