all-in-one privacy solution":["Proton Unlimited es solución de privacidad más completa"],"Black Friday":["Black Friday"],"No ads. Privacy by default.":["Sin publicidad. La privacidad por bandera."],"People before profits":["Nos importan las personas, no los beneficios"],"Security through transparency":["Seguridad con transparencia"],"The best Proton Mail ${ BLACK_FRIDAY } deals":["Las mejores ofertas del ${ BLACK_FRIDAY } de Proton Mail"],"The world’s only community- supported email service":["El único servicio de correo electrónico con apoyo de la comunidad"]},"specialoffer:limited":{"${ hours } hour":["${ hours } hora","${ hours } horas"],"${ hoursLeft }, ${ minutesLeft } and ${ secondsLeft } left":["Tiempo restante: ${ hoursLeft }, ${ minutesLeft } y ${ secondsLeft }"],"${ minutes } minute":["${ minutes } minuto","${ minutes } minutos"],"${ seconds } second":["${ seconds } segundo","${ seconds } segundos"],"Limited time offer":["Oferta por tiempo limitado"]},"specialoffer:listitem":{"Create multiple addresses":["Crea varias direcciones"],"Hide-my-email aliases":["Alias de hide-my-email"],"Quickly unsubscribe from newsletters":["Date de baja rápidamente de boletines"],"Use your own domain name":["Usa tu propio nombre de dominio"]},"specialoffer:logos":{"As featured in":["Hablan de nosotros"]},"specialoffer:metadescription":{"Get an encrypted email that protects your privacy":["Apuesta por un servicio de correo electrónico cifrado que protege tu privacidad"]},"specialoffer:metatitle":{"Proton Mail Black Friday Sale - Up to 40% off":["Rebajas de Black Friday de Proton: hasta un 40 % de descuento"]},"specialoffer:newmetadescription":{"Get up to 40% off Proton Mail subscriptions this Black Friday. Find great deals on our secure end-to-end encrypted email plans.":["Contrata Proton Mail con hasta un 40 % de descuento en las rebajas de Black Friday. Encontrarás nuestros planes de correo electrónico cifrado de extremo a extremo al mejor precio."]},"specialoffer:newmetatitle":{"Proton Mail Black Friday sale | Up to 40% off secure email":["Rebajas de Black Friday en Proton Mail | Correo electrónico seguro con hasta un 40 % de descuento"]},"specialoffer:note":{"* Billed at ${ TOTAL_SUM } for the first year":["* A un precio de ${ TOTAL_SUM } durante el primer año"],"*Billed at ${ TOTAL_SUM } for the first 2 years":["*A un precio de ${ TOTAL_SUM } durante los 2 primeros años"],"30-day money-back guarantee":["Garantía de devolución de 30 días"],"Billed at ${ TOTAL_SUM } for the first 2 years":["A un precio de ${ TOTAL_SUM } durante los 2 primeros años"],"Billed at ${ TOTAL_SUM } for the first year":["A un precio de ${ TOTAL_SUM } durante el primer año"],"You save ${ SAVE_SUM }":["Ahorras ${ SAVE_SUM }"]},"specialoffer:off":{"${ DISCOUNT } off":["−${ DISCOUNT }"],"${ PERCENT_OFF } off":["−${ PERCENT_OFF }"]},"specialoffer:testimonial":{"I love my ProtonMail":["Adoro ProtonMail"],"My favorite email service":["Mi servicio de correo electrónico favorito"],"Thanks Proton for keeping us all safe in the complicated internet universe.":["Gracias, Proton, por brindarnos protección en este mundo salvaje de Internet."],"You get what you pay for. In the case of big tech, if you pay nothing, you get used. I quit using Gmail and switched to @ProtonMail":["Dan justo lo que prometen. Si las grandes tecnológicas te ofrecen algo gratis, se aprovechan de ti, por eso dejé de usar Gmail y me pasé a @ProtonMail"]},"specialoffer:time":{"Days":["días"],"Hours":["horas"],"Min":["min"]},"specialoffer:title":{"And much more":["Y mucho más"],"Make your inbox yours":["Personaliza tu bandeja de entrada"],"Safe from trackers":["Evita los rastreadores"],"Stay organized":["Mantenlo todo en orden"],"Black Friday email deals":["Ofertas en correo electrónico del Black Friday"],"Don’t just take our word for it":["Lee testimonios de otras personas"],"Our story":["Nuestra historia"],"Transfer your data from Google in one click":["Transfiere tus datos de Google con un clic"]},"specialoffer:tooltip":{"Access blocked content and browse privately. Includes ${ TOTAL_SERVERS }+ servers in ${ TOTAL_COUNTRIES }+ countries, connect up to 10 devices, access worldwide streaming services, malware and ad-blocker, and more.":["Accede a contenido bloqueado y navega con privacidad. Incluye ${ TOTAL_SERVERS } servidores en más de ${ TOTAL_COUNTRIES } países. Conecta hasta 10 dispositivos, acceder a servicios de streaming de todo el mundo, dispón de la protección de bloqueadores de malware y anuncios, etc."],"Easily share your calendar with your family, friends or colleagues, and view external calendars.":["Comparte tu calendario con familiares, amigos y compañeros fácilmente y consulta calendarios externos."],"Includes support for 1 custom email domain, 10 email addresses, 10 hide-my-email aliases, calendar sharing, and more.":["Incluye compatibilidad con 1 dominio de correo electrónico personalizado, 10 direcciones de correo electrónico, 10 alias de hide-my-email, posibilidad de compartir calendario, etc."],"Includes support for 3 custom email domains, 15 email addresses, unlimited hide-my-email aliases, calendar sharing, and more.":["Incluye compatibilidad con 3 dominios de correo electrónico personalizado, 15 direcciones de correo electrónico, alias ilimitados de hide-my-email, posibilidad de compartir calendario, etc."],"Manage up to 25 calendars, mobile apps, secured with end-to-end encryption, 1-click calendar import from Google, and more.":["Gestiona hasta 25 calendarios protegidos con cifrado de extremo a extremo y con opción, por ejemplo, de importar los de Google con un solo clic."]},"Status Banner":{"At the moment we are experiencing issues with the Proton VPN service":["Hay problemas con el servicio de Proton VPN en estos momentos"],"Learn more":["Más información"]},"Status banner":{"Learn more":["Más información"],"Please note that at the moment we are experiencing issues with the ${ issues[0] } service.":["Ten presente que, en estos momentos, el servicio de ${ issues[0] } está dando problemas de funcionamiento."],"We are experiencing issues with one or more services at the moment.":["Uno o varios servicios están dando problemas de funcionamiento en estos momentos."]},"suggestions":{"Suggestions":["Sugerencias"]},"Support":{"Sub category":["Subcategoría","Subcategorías"]},"Support article":{"${ readingTime } min":["${ readingTime } min","${ readingTime } min"],"Category":["Categoría","Categorías"],"Didn’t find what you were looking for?":["¿No has encontrado lo que buscabas?"],"General contact":["Contacto para consultas generales"],"Get help":["Obtener ayuda"],"Legal contact":["Contacto para cuestiones legales"],"Media contact":["Contacto para prensa y medios de comunicación"],"Partnerships contact":["Contacto para colaboraciones"],"Reading":["Lectura"]},"Support categories":{"Browse Proton product support":["Consulta la página de asistencia para productos de Proton"]},"Support category":{"There is no article in this category yet.":["No hay ningún artículo aún en esta categoría."]},"Support troubleshooting":{"--- Select ---":["--- Selecciona ---"],"App version":["Versión de la aplicación"],"Browser":["Navegador"],"Check if this helps":["Comprueba a ver si te sirve"],"Choose a category for your question":["Elige la categoría de tu consulta"],"Choose a product":["Elegir producto"],"Did this solve your issue ?":["¿Te ha resultado útil para resolver el problema?"],"Faster assistance is just a few clicks away — please make your selections":["Haz unos cuantos clics para obtener ayuda más rápidamente. Haz tu selección."],"No, contact support":["No, contactar con el equipo de asistencia"],"Proton account":["Cuenta de Proton"],"Proton Bridge":["Proton Bridge"],"Proton Calendar":["Proton Calendar"],"Proton Drive":["Proton Drive"],"Proton for Business":["Proton for Business"],"Proton Mail":["Proton Mail"],"Proton Pass":["Proton Pass"],"Proton VPN":["Proton VPN"],"Thank you for your feedback":["Gracias por tus comentarios"],"Troubleshooting":["Solución de problemas"],"What can we help with ?":["¿Cómo podemos ayudarte?"],"Yes":["Sí"]},"support_modal_search_query":{"Search query":["Consulta de búsqueda"]},"support_search_button":{"Search":["Buscar"]},"support_search_i_am_looking_for":{"I'm looking for":["Busco"]},"SupportForm":{"For a faster resolution, please report the issue from the Bridge app: Help > Report a problem.":["Para una resolución más rápida, informa del problema desde la aplicación Bridge: Ayuda > Notificar un problema."],"Information":["Información"]},"SupportForm:option":{"Account Security":["Seguridad de la cuenta"],"Contacts":["Contactos"],"Custom email domain":["Dominio de correo electrónico personalizado"],"Email delivery and Spam":["Envío de correos electrónico y spam"],"Encryption":["Cifrado"],"Login and password":["Inicio de sesión y contraseña"],"Merge aliases and accounts":["Fusionar seudónimos y cuentas"],"Migrate to Proton":["Migrar a Proton"],"Notifications":["Notificaciones"],"Other":["Otro"],"Plans and billing":["Planes y facturación"],"Proton for Business":["Proton for Business"],"Sign up":["Regístrate"],"Storage":["Almacenamiento"],"Users, addresses, and identities":["Usuarios, direcciones e identidades"]},"SupportForm:optionIntro":{"Select a topic":["Selecciona un tema"]},"swiss_baseed_feature":{"Swiss based":["Con sede en Suiza"]},"Testimonial":{"Awards":["Premios"],"Customers":["Clientes"],"Featured":["Destacado"],"Go to testimonial source":["Ir a la fuente del testimonio"],"Reviews":["Opiniones"],"Videos":["Vídeos"]},"Text":{"Find the plan that's right for you":["Encuentra el plan más adecuado para tus necesidades"],"If you need help, check out our ${ supportLink }.":["Si necesitas ayuda, consulta nuestra ${ supportLink }."],"The page you’re looking for might have been removed, or it could be an\nold link.":["Es posible que la página que buscas haya sido eliminada o que sea un\nenlace antiguo."]},"Title":{"On this page":["En esta página"],"Related articles":["Artículos relacionados"],"Share ${ thisPage }":["Compartir ${ thisPage }"],"Thank you!":["¡Gracias!"],"this page":["esta página"]},"Tooltip":{"More information":["Más información"]},"tooltip_calendar":{"Create up to 20 custom & shareable encrypted calendars. On top of that, add up to 5 calendars from friends, family, colleagues, and organizations.":["Crea hasta 20 calendarios personalizados y cifrados que puedes compartir con otras personas, y añade además hasta 5 calendarios de amigos, familiares, compañeros y organizaciones."]},"tooltip_vpn":{"Access blocked content and browse privately. Includes ${ TOTAL_SERVERS }+ servers in ${ TOTAL_COUNTRIES }+ countries, highest VPN speed, ${ TOTAL_VPN_CONNECTIONS } VPN connections, worldwide streaming services, malware and ad-blocker, and more.":["Accede a contenido bloqueado y navega en privado. Tendrás a tu disposición más de ${ TOTAL_SERVERS } servidores en más de ${ TOTAL_COUNTRIES } países, VPN de máxima velocidad, ${ TOTAL_VPN_CONNECTIONS } conexiones VPN, servicios de streaming en todo el mundo, bloqueadores de malware y de anuncios, y mucho más."],"Access blocked content and browse privately. Includes ${ TOTAL_SERVERS }+ servers in ${ TOTAL_COUNTRIES }+ countries, highest VPN speed, 10 VPN connections, worldwide streaming services, malware and ad-blocker, and more.":["Accede a contenido bloqueado y navega en privado. Tendrás a tu disposición más de ${ TOTAL_SERVERS } servidores en más de ${ TOTAL_COUNTRIES } países, VPN de máxima velocidad, 10 conexiones VPN, servicios de streaming en todo el mundo, bloqueadores de malware y de anuncios, y mucho más."]},"version_history_label":{"Version history":["Historial de versiones"]},"version_history_tooltip":{"Store up to ${ versionHistoryNumber } versions of each file for up to ${ years } years":["Almacena hasta ${ versionHistoryNumber } versiones de cada archivo durante ${ years } años como máximo"]},"vpn_features_link":{"View VPN plans":["Ver planes de VPN"]},"vpn_features_useCase":{"Access blocked content and browse privately":["Accede a contenido bloqueado y navega con privacidad"]}}},"unleashApi":"https://account.proton.me/api"};
// We need to import data (the framework context) from the server
// This Astro feature with define:vars works well but creates an inline script
// So we can't directly import the initFramework helper, we have to store the context
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You need an email address to exist at all in the online world. Signing up for YouTube, Facebook, Twitter, Reddit, or any other online service requires one. It’s also our go-to method of communication for online banking, purchasing, and business deals. As a result, over half the world’s adult population(new window) uses email, and we trust it with a great deal of our personal information. However, your email is not always as safe or as private as you might think.
Email is interoperable, meaning that Gmail accounts can communicate with Yahoo accounts which can communicate with Proton Mail accounts and so on. Unfortunately, that also means that if you email someone who uses an email service with poor privacy protections (like Gmail), your messages may be subject to its privacy policies, regardless of what email service you use.
All major email providers will give some level of protection against eavesdropping or tampering of their users’ emails, but most do not provide the maximum privacy and security available. We believe that everyone deserves email privacy and security, and that means ensuring that no one else has access to your emails, and that is why we protect your emails with end-to-end encryption (E2EE).
What is end-to-end encrypted email?
When you send an email, your message is routed from server to server until it reaches your recipient’s inbox. All major email providers use TLS (Transport Layer Security), which provides an encrypted route for your email as it is sent between servers. This keeps your message private while it is in transit.
However, with TLS encryption, your emails are decrypted once they reach your email provider’s server rather than upon reaching your recipient’s device. This gives email providers that only use TLS access to all the messages stored on their servers.
As only the two ends of the conversation are able to access and read end-to-end encrypted email messages, your email provider, ISPs, and government bodies are unable to access the information enclosed.
However, end-to-end email encryption only works if both people are using PGP(new window) or the same E2EE email service, such as Proton Mail. (We use PGP encryption to ensure Proton Mail users can communicate privately with other PGP users who share their public key, even if they don’t use Proton Mail.) If you email someone who uses an email service that only uses TLS (such as Gmail), your messages will be subject to its privacy policies and accessible by that email provider, even if you email them from a Proton Mail account.
To navigate these privacy issues, we use both end-to-end encryption and zero-access encryption(new window) to protect your emails. You can also use our ‘Encrypt for Outside’ function to send end-to-end encrypted messages to users who do not have an E2EE email service — these messages are password protected and expire after 28 days.
Why should email providers use end-to-end encryption?
Although TLS allows email services to securely transport your emails, there are considerable privacy and security risks involved if your emails are not end-to-end encrypted. Emails that are not sent using end-to-end encryption can be decrypted by the email provider.
Less vulnerable to attack
As most email providers hold all of your messages on their servers, any hacker that is able to penetrate those servers will also have access to all of your information and the information of everyone else whose emails are stored on that server.
Email providers such as Google are known for gathering huge amounts of data on their users. Although Google stopped scanning emails for advertising purposes back in 2017, Gmail’s bots can still access your emails’ content for other purposes, such as applying labels to your emails and communicating with other Google apps. When users install ‘add-ons’ to their Gmail account, they are also sometimes unknowingly giving up their entire inbox to be read by third-party developers(new window).
Perhaps more worryingly, data that is stored unencrypted on an email provider’s server can be seized during legal proceedings or investigations. Depending on the data protection laws that your home country has in place, there can be low thresholds to making these types of data requests(new window). Once a data request is made, email providers often have no choice but to comply.
Essentially, whether by brute force or legal compliance, if your email provider does not store your emails with end-to-end encryption, you cannot control who can access your information.
Protect your privacy online
At Proton Mail, we’re creating trusted ways for people to stay in control of their information at all times. We believe that everyone deserves privacy online and that the internet should serve the interests of all people rather than selling your data to the highest bidder.
Online privacy is much more than encrypted email, but it’s a good place to start. You can sign up for a free secure email account here. With a Proton Mail account, you can also send private emails to non-Proton Mail accounts using our Encrypt for Outside(new window) option. For further privacy online, we also have a free secure VPN(new window) that protects your internet browsing activity.
All of Proton Mail’s user data is stored exclusively in European countries with strong privacy protections, such as Switzerland. This means that unlike other email providers, Proton Mail does not fall under the jurisdiction of intrusive anti-privacy laws and cannot be coerced into working with the NSA.
End-to-end email encryption FAQ
How does end-to-end encrypted email work?
End-to-end email encryption (E2EE) works by using a set of keys to encrypt the email before it is sent and decrypt the message upon receipt. One key is a ‘public key’ that is used to encrypt emails that are sent to you, and the other key is a ‘private key’ that is only known to you (or your device).
The public key encrypts email messages in such a way that they are only able to be decrypted by the intended recipient, with the corresponding private key. As long as the private key is kept private, your emails remain secure.
When someone emails your Proton Mail account from an email provider that does not use end-to-end encryption, we will immediately encrypt that email upon receiving it using your public encryption key. Once it has been encrypted with your public key, you become the only person that is able to decrypt that email on our servers. This is called zero-access encryption, and it ensures that your information remains safe, even if the Proton Mail servers were somehow breached.
How can I use end-to-end encryption for my emails?
The simplest way to ensure the emails you send are end-to-end encrypted is to use Proton Mail, as we offer end-to-end encryption as standard(new window), combined with zero-access encryption to keep your emails as private and secure as possible.
E2EE only works if those you are emailing are also using end-to-end encryption to protect their emails. If you use Proton Mail to send an email to an email account that does not use end-to-end email encryption, their email provider will be able to see those messages. So it’s best if both parties are using Proton Mail.
At Proton Mail, we have zero access to user data, so any emails you send using your Proton Mail account are inaccessible to us, and we are unable to hand over your data to any third parties. In addition, we use open source cryptographic libraries(new window), which helps ensure that the encryption algorithms we use are vetted and do not have any known security vulnerabilities.
Can end-to-end encrypted emails be hacked?
While emails with end-to-end encryption are much more secure than emails that are sent via TLS, it cannot be said that any email is “unhackable”. The best way to protect your end-to-end encrypted emails is to ensure you use a strong, unique password(new window) for your Proton Mail account.
If you repeat your password across services, it is possible that a security breach on one of those other services will result in your password being leaked. Using a strong and unique password for each of your accounts and devices means that even if one password is leaked, the rest of your accounts online remain secure. End-to-end email encryption works best when combined with other internet privacy protections such as using a VPN(new window) to protect your internet browsing activity and ensuring two-factor authentication is enabled whenever possible, in addition to using strong passwords.
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