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Proton Mail Erfahrungen

2,5von 5 · Mangelhaft

134 Bewertungen

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Bewertung

2,5

Mangelhaft · von 5 Sternen

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134

134 in den letzten 12 Monaten

E-Mail-Dienst

18%

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Bewertungen (134)

134 in 12 Monaten

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Ber

Schweiz · 1. September 2026

Verifizierte Bewertung

Surpris d'autant d'avis négatifs, alors que...

J'utilise ProtonMail depuis une bonne dizaine d'années, d'ailleurs ma première adresse était .ch, en version gratuite d'abord et maintenant en version payante. J'utilise toute la suite Proton, mail, drive, pass, SimpleLogin, Standard Notes, authenticator. J'apprécie la confidentialité, le respect de la vie privée: à l'ouverture d'un mail, les pixels sont bloqués, ce qui fait que l'expéditeur n'aura pas l'info que le mail a été lu, et tant d'autres avantages. Il y a ici beaucoup d'avis négatifs. Personnellement, je ne rencontre pas les problèmes énoncés, un e-mail en anglais? Il suffit de clic droit et traduire; mais bon. Je recommande Proton à ceux qui recherche la sécurité.

0

1. September 2026

AQ

Schweiz · 31. August 2026

Verifizierte Bewertung

It's really a shame. Great product, support sucks.

While the support representatives were polite, the supercilious attitude was obvious in their communications (i.e., proton is always right). Support did nothing to resolve the issues with their email system, and denied any responsibility for what had occurred. Support missed the main point of my communications numerous times, and I had to clarify it for them. Even then, they denied that what I claimed happened had indeed happened. At they very least they should have thanked me for the information I provided, which demonstrated that their are some problems with their email system. I'm sure this review will receive a response from proton, asking me to contact them. I won't be doing that, as I've already wasted way too much time on this, and proton couldn't / wouldn't previously resolve the situation. In short: great product, if you don't need support.

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31. August 2026

Paolo

Schweiz · 31. August 2026

Verifizierte Bewertung

Excellent privacy, but Drive and Mail reliability need improvement

Certo — ecco la versione con **Proton Drive prima** e **Proton Mail alla fine**. I chose Proton Unlimited mainly because Proton is one of the very few providers whose technical architecture appears to genuinely implement the level of security and privacy it publicly claims to provide. From that point of view, I still consider Proton one of the strongest services available. Unfortunately, my experience with Proton Drive and Proton Mail has not been equally positive in terms of reliability and synchronization. Proton Drive was the most concerning part for me. Normal synchronization was reasonably fast, but making files available offline could become extremely slow, sometimes around one file every 30 seconds for ordinary photos and documents. I also observed situations where the application reported that synchronization was complete while files still appeared to be waiting for upload or download. In some cases, newly created files did not appear online as expected. This is particularly problematic because a synchronization application should give the user a reliable indication of whether all data has actually been uploaded and synchronized. If the application reports that everything is synchronized while some files are still pending, it becomes difficult to trust the displayed status without manually checking the remote storage. I understand that end-to-end encryption requires additional processing, and I appreciate Proton's security model. However, my archive contains thousands of files, so performance and, above all, reliability at scale are essential. I need to be able to trust the synchronization state without continuously checking whether every file has actually been transferred correctly. I eventually decided to cancel Proton Unlimited and migrate my files back to Dropbox. I am now restoring recent backups and comparing folders to make sure nothing has been lost or missed during synchronization. This is a substantial amount of additional work, and I am obviously not happy about having to do it. Another disappointing aspect is Proton's refund policy. Once the standard refund period has expired, cancelling or discontinuing a Proton Unlimited subscription does not automatically result in a refund for the unused portion of the plan, even when the decision to stop using the service is related to technical or reliability issues. In my case, I asked Proton to reconsider the refund because of the problems described above, but I was initially informed that I was not eligible under the standard refund policy. I also encountered several issues with Proton Mail. The folder hierarchy is too limited for my needs, especially when migrating and managing a large existing mailbox. I experienced inconsistencies between the mailbox structure shown on mobile, on the web interface, and in Thunderbird through Proton Mail Bridge. During migration from my old Gmail account, several messages ended up in a recovery folder and generated errors. After resetting Proton Mail Bridge, some messages disappeared from the local folder structure, leaving me uncertain whether they were lost, still present on Proton’s servers, inaccessible from the client, or only available in the original Gmail account. Proton Mail Bridge synchronization was also quite slow. My mailbox contains thousands of emails accumulated over many years, so preserving the structure and being able to verify that everything has been migrated correctly is very important to me. This is a real pity because Proton’s privacy and security model is one of the best reasons to choose the service. In my experience, however, Proton Drive synchronization, the desktop applications, and Proton Mail Bridge are not yet at the same level as the underlying security architecture. I hope Proton continues improving these areas, because if reliability and synchronization become as strong as the privacy model, the suite could be outstanding.

0

31. August 2026

Paolo

Schweiz · 31. August 2026

Verifizierte Bewertung

Strong privacy, but reliability still needs work

I chose Proton Unlimited mainly because Proton is one of the very few providers whose technical architecture genuinely implement the level of security and privacy it publicly claims to provide. From that point of view, I still consider Proton one of the strongest services available. Unfortunately, my experience with Proton Mail and Proton Drive has not been equally positive in terms of reliability and synchronization. With Proton Mail, I found the folder hierarchy too limited for my needs. I also experienced inconsistencies between the mailbox structure shown on mobile, on the web interface, and in Thunderbird through Proton Mail Bridge. During migration from an old Gmail account, several messages ended up in a recovery folder and generated errors. After resetting Proton Mail Bridge, some messages disappeared from the local folder structure, leaving me uncertain whether they were lost, still present on Proton’s servers, inaccessible from the client, or only available in the original Gmail account. Bridge synchronization was also quite slow. Proton Drive was more concerning for me. Normal synchronization was reasonably fast, but making files available offline could become extremely slow, sometimes around one file every 30 seconds for ordinary photos and documents. I also observed situations where the application reported that synchronization was complete while files still appeared to be waiting for upload or download, and in some cases newly created files did not appear online as expected. I understand that end-to-end encryption requires additional processing, and I appreciate the security model. However, my archive contains thousands of files and my mailbox contains thousands of emails accumulated over many years. For this kind of use, I need to be able to trust the synchronization state without continuously checking whether every file and message has actually been transferred correctly. I eventually decided to cancel Proton Unlimited and migrate my files and emails back to Dropbox and Gmail. I am now restoring recent backups and comparing folders and messages to make sure nothing has been lost, which is a substantial amount of additional work. This is a real pity because Proton’s privacy and security model is one of the best reasons to choose the service. In my experience, however, the desktop applications, Proton Mail Bridge, and synchronization reliability are not yet at the same level as the underlying security architecture. I hope Proton continues improving these areas, because if reliability and synchronization become as strong as the privacy model, the suite could be outstanding. No refund for the "unlimited plan" after the legal period expiration.

0

31. August 2026

Thomas Madigan

Schweiz · 31. August 2026

Verifizierte Bewertung

Impossible to get meaningful Customer Support

It's impossible to get any meaningful help or customer support for Proton mail. I just subscribed to their Proton Plus yearly plan, and, due to a trivial billing issue, my active account, with important, time-sensitive communications, has been locked out. There is NO WAY to actually interact with a living human being. Everything is run by Zendesk on the other end and a useless AI tool in the user interface, which I was only able to access because I have another free Proton account. There is a fillable form -which I've used multiple times- that only opens up yet another new ticket for the same problem- with no resolution. This is a circular nightmare from hell without resolution! There is no such thing as 24/7 support as they claim! It's been 3 days, multiple email attempts, and escalations to get help at resolving a trivial billing issue, and we're still at square one. If they had even one live agent for basic customer support, it would solve everything. The "live agent" feature advertised as available with their Customer Support AI tool doesn't actually exist. When selecting that option, they default to an email contact - live agents for Proton mail customer support don't exist at all, in any form, contrary to their advertised hype. Don't sign up for Proton mail, use Mailfence, icloud or some other mail service, but don't use Proton!

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31. August 2026

Die Akte

Antwortet blitzschnell

Typische Antwortzeit unter 24 Stunden. Beantwortet 95 % der negativen Bewertungen.

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Ist Proton Mail seriös?

Proton Mail erreicht aktuell 2,5 von 5 Sternen aus 134 unabhängigen Bewertungen — Gesamturteil „Mangelhaft“. Zur Einordnung: der Firmensitz (Chemin du Pré-Fleuri, 3, CH-1228 Geneva, Schweiz) ist öffentlich dokumentiert, Kontaktdaten liegen offen. Alle Stimmen bleiben öffentlich: erfahrungen.app löscht keine Bewertungen gegen Geld.

Wie bewerten Kunden Proton Mail?

Kundinnen und Kunden bewerten Proton Mail im Schnitt mit 2,5 von 5 Sternen („Mangelhaft“) auf Basis von 134 Bewertungen. 134 davon stammen aus den letzten 12 Monaten.

Wo hat Proton Mail seinen Sitz?

Proton Mail hat seinen Sitz in Chemin du Pré-Fleuri, 3, CH-1228 Geneva, Schweiz. Die Angabe stammt aus öffentlichen Quellen und dem Impressum.

Welche Alternativen zu Proton Mail gibt es?

Die bestbewerteten Anbieter in der Branche E-Mail-Dienst sind IONOS | ionos.com (4,6 von 5), IONOS | ionos.co.uk (4,3 von 5), Namirial (4,3 von 5). Das vollständige Ranking mit allen Anbietern finden Sie in der Branchenübersicht auf erfahrungen.app.

Ist das Profil von Proton Mail beansprucht?

Nein. Das Profil von Proton Mail ist öffentlich, aber nicht vom Unternehmen beansprucht. Deshalb kann Proton Mail hier nicht auf Bewertungen antworten. Die Firma kann das Profil kostenlos beanspruchen.

Antwortet Proton Mail auf Bewertungen?

Proton Mail: Antwortet blitzschnell. Typische Antwortzeit unter 24 Stunden.

Kann Proton Mail negative Bewertungen löschen lassen?

Nein. erfahrungen.app löscht, versteckt oder verkauft keine Bewertungen — auch nicht für verifizierte Unternehmen. Firmen können öffentlich antworten, aber Kritik bleibt stehen.

Wo ist Proton Mail im Handelsregister eingetragen?

Öffentliche Registerdaten zu Proton Mail (Geneva) sind über das Zefix einsehbar.

Wir löschen keine Bewertungen.

Auch nicht für Geld. Unclaimed ist fair. Claimed gibt das Mikrofon — nicht den Radiergummi.