Blog / Open Technologies

How one customer used Fastmail’s Open API

Fastmail’s open API makes creating new and exciting tools easy for email enthusiasts.

Fastmail Advent 2023: 25 Days of Better Email

At the beginning of December, we announced the return of Fastmail Advent. Please enjoy this wrap-up of our staff members’ responses.

Fastmail’s Contributions to the Future of Email at the Perl Toolchain Summit

Fastmail CTO, Rik Signes, and Backend Team Lead, Matthew Horsfall, joined world-class open-source developers at the annual Perl Toolchain Summit.

The Building Blocks of The Internet with Bron Gondwana

In this podcast blog post about season one episode four of Digital Citizen, Fastmail CEO Bron Gondwana discusses why open internet standards are so important to your future.

All About ARC – an experimental standard for authenticating forwarded emails

As email passes through servers from sender to receiver, ARC (an experimental standard) tracks its authentication state. Read about how we use ARC at Fastmail, and how ARC can be used to benefit everyone.

Announcing Squire 2.0—Fastmail releases next generation of open-source rich text editor

We’re pleased to announce we’ve released the next version of Squire, Fastmail’s open-source text editor.

How and why we built Masked Email with JMAP—an open API standard

In this article, Madeline Hanley from the 1Password team explains how JMAP, the new open standard for email introduced by Fastmail, powers Masked Email.

Masked Email from Fastmail and 1Password protects your identity online

Together, Fastmail and 1Password have created Masked Email, which makes it easy to generate unique email addresses on the fly while signing up for new services online.

Hosting CalConnect to Build the Future of Calendars

Fastmail hosts a meet up of top talent in open calendaring to advance scheduling tools.

Undo Send Saves the Day When You Hit Send Too Fast

Undo send lets you cancel a sent email if you'd like to take it back immediately.

We’re Making Email More Modern With JMAP

The specifications for JMAP have been published by the Internet Engineering Task Force (IETF), marking a big victory for email tools now and in the future.