ProtonBlog(new window)

Proton Mail BETA v1.04 Release Notes

Share this page

We are happy to announce the release of Proton Mail v1.04. As usual, please completely clear your browser cache to make sure you load the latest version of Proton Mail.

Bug Fixes

  • Forwarded attachment is now taken into the calculation of storage usage.
  • Improved the JS code of the compose editor, so it’s faster to adjust the window size as user types in the message.
  • Email header is now appropriately displayed.
  • Messages in outbox can be printed correctly now.
  • A few UI improvements.

New Features

  • Email notification is in place.
  • A first level of incoming and unencrypted outgoing spam filter is implemented.
  • Better support of multiple languages – more encodings are supported.
  • You can now mark a message as “Starred” in display message page.

Known Issues

  • Multiple attachments not properly supported
  • Older browser versions are not fully supported, please use the latest browser versions.
  • Mobile and Tablet not yet fully supported
  • Emails cannot be sent to Yahoo, this is a problem on the Yahoo end, we are working with them to resolve this.
Protect your privacy with Proton
Create a free account

Share this page

Proton Team(new window)

We are scientists, engineers, and specialists from around the world drawn together by a shared vision of protecting freedom and privacy online. Proton was born out of a desire to build an internet that puts people before profits, and we're working to create a world where everyone is in control of their digital lives.

Related articles

How to share a PDF
Sharing a PDF with coworkers, friends, or family members can sometimes be trickier than it seems if you’re trying to share a large file or if you want to use secure encryption. In this article, we show you how to share any PDF quickly, easily, and se
Proton Pass for Windows
Proton Pass is launching its new app for Windows, allowing you to access our password manager from your desktop. As one of our community’s most requested features, it’s available to everyone starting today. Proton Pass is the centerpiece of our effo
password policy
Businesses are increasingly dealing with the fallout from cybercrime: The number of attacks is on the rise and the damage done is growing exponentially. One of the most common vulnerabilities for organizations are their passwords. Since they are your
How to free up disk space
If you’ve ever owned an electronic device of any kind, you know the struggle of running out of space. No matter if it’s a smartphone, laptop, or desktop computer, there never seems to be enough room for all your files. Let’s show you some simple ways
What is 3-2-1 backup
Data backup is vital for businesses and individuals alike: In case something happens to your primary computer, you always have a copy of your data to fall back on.  How should you approach backup, though? The 3-2-1 rule can act as a guide when decid
What was your first pet’s name? In what city were you born?  We’ve all had to answer these questions to reset a long-forgotten password, but consider how that works. Much of this information is easy to find for others (or easily forgotten by you), m