PissMail

Gmailnator, Smartnator or Emailnator is a free service that allows getting instant temporary email it is also known as "tempmail", "10 minute mail", "throw away mail", "disposable mail", fake email, and "trash mail".

SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 (with no JavaScript required) for maximum compatibility across browsers.

Cock.li is your go-to solution for professional E-mail addresses and XMPP addresses. Since 2013 cock.li has provided stable E-mail services to an ever-increasing number of users. Cock.li allows registration and usage using Tor and other privacy services (proxies, VPNs) and is...

the free email that has everyone talking!.

Privacy-focused email service offering easy one-click PGP encryption, 20 GB storage, disposable email addresses, and compatibility with IMAP/SMTP while adhering to Dutch privacy laws to secure data and communications effectively.

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an OSI approved Free Software license.

Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project.

DropMail gives you unique disposable email address without registration. It's valid until you refresh the page. Rich functionality, including forwarding, attachments, extended addresses and Telegram/Viber bots.