Setting up and using Proton Mail for PC

Open source anonymous email with end-to-end encryption

ProtonMail Is a Swiss email / VPN provider Proton AG A free, anonymous email service provided by Proton AG that allows Proton AG employees to recover messages by encrypting communications and messages. Zero access architecture Is adopted, and security and privacy protection are strengthened, such as not storing logs or tracking.

Proton Mail has a server in Switzerland where personal information is protected at the world's top level by the Swiss Federation's own FADP (Federal Data Protection Law) revised in accordance with GDPR, 5 Eyes Alliance (USA, UK, Canada, You can send and receive emails in a privacy-protected environment without being affected by government sigins such as (Australia / New Zealand) and 9 Eyes Alliance (5 Alliance + France / Denmark / Norway / Netherlands).

System requirements

Version 5. 0 Currently

OS: Version supported by supported browsers

Privacy-focused browser recommended by Proton Mail

Mozilla Firefox / Brave / Tor browser

Browsers that have been tested for Proton Mail

Google Chrome / Microsoft Edge / Safari / Opera

It is recommended to use the latest stable version of the browser.

Access Proton Mail

Proton Mail official website

ProtonVPN Users who are usingProton Mail official website From your ProtonVPN username and password ProtonMail You can use it by logging in to.

How to use Proton Mail for Android

End-to-End Encryptable Open Source Anonymous Email Proton Mail is a free and available anonymous email service provided by Swiss email / VPN provider Proton AG […].

Create a Proton Account

ProtonVPNIf you are not using ProtonVPN or do not want to use your ProtonVPN username for your email account, create a new Proton Mail account.

Proton Mail official website Open Email choose.

Click "Create a free account".

It will be a plan selection screen, so if you want to use it for free Proton-freechoose.

Paid plans offer year-round discounts Landing page Go to and select a plan.

Proton Unlimited has 1 year and 2 year subscriptions, so switch with the button on the top right.

Landing page plan is discounted Annual payment is onlyMonthly payment After setting up the free plan Configuration Of upgrade plan Buy from.

If the account creation screen is not written in Japanese, select Japanese from the language list on the upper right of the screen.

Enter your account name proton.meor sending us a message on protonmail.com Create a domain email address and set a password.

You can use underscores ( _ ), hyphens ( – ), and dots ( . ) in your account, and avoid using personally identifiable information such as your name if anonymity is your priority.

For paid plans, select a payment currency and pay by credit card or PayPal Settle with.

Confirm that the free plan is not a robot CAPTCHA Is displayed, check it and select the specified image.

hCaptcha is a service provided by Intuition Machines that collects data such as your IP address, so if you do not want to use it, issue an authentication code with your email address.

Set the display name to be displayed at the destination.

The default is the account name.

Select and enter the recovery email address or mobile number to use if you forget your password and click Save Selected.

Data recovery is separate in advance Configuration Is necessary.

When the welcome screen is displayed, select the theme to be used in "Next".

The theme is Configuration Can be changed with.

Proton Mail can be used with "Start using", so click on the displayed page or https://mail.protonmail.com/login To bookmark the browser.

App selectors added from version 4.0Proton VPN-Proton calendar-Proton Drive Can be accessed.

Proton Mail settings

Configuration Then. Display name-signature-Format-label Edit and set the transmission delay added from version 4.0.

In the tools menu in the upper right Configuration から Open settings choose.

Reply

Password reset and data recovery in case you forget your Proton account password Recovery phrase To register.

Proton account password reset and data recovery

Password reset and data recovery procedures used with Proton Mail and ProtonVPN The password set in your Proton account recovers encrypted and stored data such as messages and contacts […].

EasySwitch

gmail Or if you want to import Outlook.com messages into Proton Mail Proton Easy Switch To use.

How to use Proton Easy Switch

Import emails to Proton Mail from providers that can use the IMAP protocol, such as Gmail and Outlook Proton Easy Switch supports IMAP protocols such as Gmail and Outlook.

message and typesetting

message and typesetting Then. Short domain Activation and Message format And so on.

Typesetting is the work of arranging characters and figures in terms of the printing industry.

Short domain

Short domain The @ pm.me It is a function that enables you to use, and if you enable it, you can use your Proton Mail account name. Account name@pm.me Email address can be used.

With the free plan, you can only receive shortened domainsSo, sending in the shortened domain requires an upgrade to a paid plan.

From the left sidebar Message and composition Select andShort domain (@ pm.me) Click "Activate Account@pm.me" and enter your login password.

General

Recovery email addressIs set by default Daily email notifications Is enabled, so disable it if you don't need it.

Daily email notifications If is enabled, a notification of email reception will be sent to the recovery email address each time a new email is received.

Message

Message You can set image loading, link scanning, transmission delay, etc.

Automatically load embedded images
Display settings for images embedded in emails.
Keep Sent / Draft
When enabled, even if you move the "Sent" or "Draft" message to another folder, it will be displayed in "Sent" or "Draft".
Confirm link URLs
An anti-phishing function that displays an access confirmation dialog when you click a link in an email.
Cancel transmission
You can cancel the transmission within the specified time after sending the email.
Conversation grouping
A function to thread messages using mail header, subject, and sender / receiver data.
Sticky label
When you label a message, the label is automatically applied to subsequent messages in the same conversation.

Typesetting

Typesetting The New message Set the appearance of.

Format when creating a new one
Select HTML format / Plain text format. (Standard is HTML format)
Text direction when creating a new one
Specify the direction of character input.
Standard font / size of creation screen
Japanese font cannot be selected, but the font size is reflected.
Cancel transmission
You can cancel the transmission within the specified time after sending the email.

Email privacy

Email privacyThen. Confirmation of reading remote content , Tracking block Can be set and is enabled by default.

Remote content is an image or video that is downloaded from the sender's server when displaying a message, and when the download is executed, the sender of the message gives information such as the IP address, the time when the message was displayed, and the environment in which it is used. You can get it.

signature and address

signature and address Now you can edit the email address, display name, and signature used when composing a new message, and add an email address if you are using a paid plan.

Proton Mail footer Of Sent from Proton Mail.You need to upgrade to a paid plan to disable.

You can add emails from the proton.com / proton.me domain or email addresses with custom domains.

appearance

appearance Allows you to change the theme and layout of your inbox.

Folders and labels

Proton Mail allows you to manage your email by folders and labels, and since version 4.0 you can color folders.

The free plan limits the number of folders you can create to three.

Folder color and folder name Edit You can modify it with, and you can change the order by dragging the folders up and down.

Folders can also be created as subfolders.

If you want to be notified on your desktop or mobile device when you use a filter to sort folders when you receive a message notification To enable.

label

Labels are message management tags that can be created by the user, and unlike folders, multiple labels can be added to a single message.

Add label Created from.

Filter

Filter Allows you to set conditions to automate moving to folders and adding labels, as well as correcting addresses marked as junk e-mail.

Only one filter can be activated in the free plan.

When creating a filter Sorting filter Select "Add Filter".

Sieve filter Is a filter that edits Sieve scripts on the command line.

The creation wizard will open, so create it. Filter name Enter.

Filter conditions Subject-destination-From-Attachment Select from, enter the text to be extracted, and click "Insert".

Specify the label to add to the message and the folder to which the message is moved.

Automatic reply is available only for paid plans.

Encryption and key

Proton Mail supports PGP mail, so you can easily send it with your public key attached.

PGP (Pretty Good Privacy) Email is a mechanism for exchanging public keys between the parties in advance and exchanging encrypted emails end-to-end.

External PGP is disabled by default, so if you use External PGP settings Enable the required items in.

Signing an external message If enabled, a digital signature will be added to increase the reliability of the email.

Automatic reply, domain name, IMAP / SMTP

Automatic reply, domain name, and IMAP / SMTP are options available in paid plans.

Domain name

You can send and receive your own domain using Proton Mail's secure server.

Add your own Proton Mail domain

Send and receive email with your own domain with Proton Mail Proton Mail allows you to add your own domain with a paid plan and send and receive email with your own domain with the encrypted Proton Mail mail server […]

IMAP/SMTP

An option to make Proton Mail available to desktop mail clients that support IMAP / SMTP, such as Thunderbird.

Installing and configuring Proton Mail Bridge for Windows

Proton Mail Bridge for Windows, an extension tool that allows you to send and receive Proton Mail with your email client app, is available to users who have a paid Proton Mail plan […]

How to use Proton Mail

Proton Mail's free plan has usage limits, paid plans offer full-featured Proton Mail MailPlus With a large storage capacity, Proton VPN can be used with full functionality, and up to 3 custom domains (original domains) can be sent and received on the encrypted Proton Mail server. Proton Unlimited There is.

Up to 1 recipients can be added to a messageSmart spam detection systemBecause it implements Bulk transmission using BCC , Recipient's junk mail judgmentImmediately when there are manyAccount suspendedIf it is found to be spamming, it will violate the terms and the account will be deleted.

Specifications of Free

· Available storage capacity: 500 MB (up to 1 GB with unlocked features)
・ Available email addresses: 1 address
-Send limit: up to 1 messages per hour, up to 50 messages per day
-Maximum size that can be sent: 25 MB
・ Number of recipients that can be sent in one email: Up to 1
・ Number of attachments that can be sent in one email: Up to 1
-Number of folders created: Up to 3
-Filter: Only one item can be activated
・ Short domain: Only receive is possible
・ Automatic reply: Not available
· Custom domain: Not available
-Proton Calendar: Addition / sharing of calendar is not available
・ ProtonDrive: Not available

Specifications of MailPlus

-Available storage capacity: 15 GB (shared calendar drive)
・ Available email addresses: 10 address
・ Number of transmissions: Unlimited
-Maximum size that can be sent: 25 MB
・ Number of recipients that can be sent in one email: Up to 1
・ Number of attachments that can be sent in one email: Up to 1
-Filter: No limit
-Number of folders created: No limit
・ Short domain: Send and receive
・ Automatic reply: Available
-Custom domain: Available (1 domain)
Proton Calendar: Available
・ ProtonDrive: Available

Proton Unlimited Specifications

-Available storage capacity: 500 GB (shared calendar drive)
・ Available email addresses: 15 address
・ Number of transmissions: Unlimited
-Maximum size that can be sent: 25 MB
・ Number of recipients that can be sent in one email: Up to 1
・ Number of attachments that can be sent in one email: Up to 1
-Filter: No limit
-Number of folders created: No limit
・ Short domain: Send and receive
・ Automatic reply: Available
-Custom domain: Available (3 domain)
Proton Calendar: Available
・ ProtonDrive: Available
・ ProtonVPN: Full-featured (paid plan) available

Access and receive Proton Mail

If you open your browser and log in to Proton Mail, you will automatically receive new messages.

Update your browser if reception is delayed.

Proton Mail failure status

If you have problems sending or receiving Proton Mail, you can check it on the failure status page.

Proton Mail Status

Organize and manage your email

Proton Mail messages Inbox-folder-Archive save to label can be managed by

Archive The Storehouse It's like moving a message to a folder. After selecting a message, click the tool icon Archive to move.

To move to a folder, select a message and then use the tool icon. folder Click to select a destination from the list.

To add a label, select the message and then select the tool icon. label Select the label to add from.

Send email

Sending and receiving email between Proton Mail users is always end-to-end encrypted, and you can enable / disable encryption when sending to non-Proton Mail users such as Gmail and Outlook.

To compose a message, click New Message at the top of the sidebar.

destination Enter the email address of the person to whom you want to send the email.

When sending to multiple addresses at the same time destination You can enter after.

When you send an email, the destination address is automatically registered in the contact, and the autocomplete function will be enabled from the next time onwards, so if you enter the first letter of the address, candidates will be displayed and the address that is not registered in the contact The suggestion feature displays the addresses of the major domains.

CC and BCC Destination To the right of CC, BCC Click to expand the input box.

Reply / Reply / Forward to everyone Select from the icons displayed in the upper right corner of the message.

Change the email format for outgoing emails to Plain textIf you want to change to , select from the 3-point leader at the bottom.

Inherit the mail format of the received mail when replying or forwarding.

If you want to discard the newly created message, Garbage can Click the icon.

The content of the message is automatically saved.

encryption

If you send a message to someone other than the Proton Mail user, you can send it as unencrypted mail (communication is encrypted) because encryption is disabled by default.

Message body and attachments are encrypted And the message headers and metadata are not encrypted.

When you enter your email address Padlock icon If is displayed, it will be encrypted end-to-end.

Blue padlock
Emails sent between ProtonMail email addresses.
Green padlock
Emails sent between email addresses that have PGP configured other than the Proton Mail email address.

Click the padlock icon at the bottom to encrypt emails sent to non-Proton Mail users.

Set the password required to access the mail and set "Encryption"

When you send an encrypted email to a non-Proton Mail user, the email is stored on the encrypted Proton Mail server and the destination is only sent a link to access the encrypted email.

expiration date If you do not set, encrypted emails sent to non-ProtonMail users have a 28-day retention period and are automatically deleted after the expiration date.

expiration date

The expiration date is a function that automatically deletes messages from the recipient's inbox when the set expiration date expires, and can be used by both Proton Mail users and non-Proton Mail users.

When setting the expiration date, from the 3-point reader Set expiration date choose.

Set the deadline until it disappears and click "Set".

Emails addressed to non-ProtonMail users Requires encryptionSo, even if you do not set an expiration date, it will disappear after 28 days.

PGP email

Configuration で External PGPIf you have enabled, you can send PGP emails with your public key attached.

Public key Is sent from a 3-point reader Attach public key choose.

Signing an external message Is enabled before the destination PGP signature Icon is added.

Adding a PGP digital signature Mozilla Thunderbird Email apps that recognize PGP / MIME will automatically decrypt and authenticate digital signatures, so attachments won't show, but personal Gmail and Outlook.com signature.asc File is attached.

Account deletion / subscription cancellation

You can also delete your account or cancel your subscription Configuration It can be operated from.

To cancel your subscription, go to the left sidebar Dashboard Select Account downgrade Downgrade to a free plan at.

To delete the created account from the left sidebar Account and password Select Account deletion Execute the deletion with.