Setting up custom domains on Proton Unlimited has been a pain, and support has been slow to resolve setup questions.
79signal
295reviewsi
A score out of 100. Negative and mixed reviews take points off, and so does having only a few reviews, so a handful of glowing reviews can’t beat a product many people like.
54% Positive13%33% Negative
Most customers find it reliable for email with a custom domain, an easy switch from Gmail or Google Workspace, and good spam filtering.
What customers love, and what they don’tWhat customers noticed
Customer reviews (295)
Add your reviewShowing 23 reviews mentioning poor support Show all
Account was randomly locked and tickets went unanswered for a week before a cryptic reply about unspecified violations.
Has a Proton plan but finds support inconsistent and unclear, so would not buy business or family plans.
Account used for subscriptions was suspended for inactivity without warning and support had not replied after days.
After forgetting a second account password, all their Proton accounts were blocked at once with bot-like support.
Proton's Gmail sync retagged every already-forwarded email, and a paying customer is still waiting on support to undo it.
Support ticket asking to remove a login-only Gmail address went unanswered for 12+ hours.
Brand-new user found attachments from senders do not arrive and support must be emailed for help.
A paying user was refused a mailbox update for months and had the dashboard hard-locked, with support ignoring the last email.
Two-year Proton VPN plan autorenewed without notice, and complaining got both VPN and Proton Mail accounts locked.
A paid Proton and SimpleLogin account was flagged by the reputation system while resolving an issue with an online service.
Proton locked their account for registering on too many services and demanded a phone number, with only automated support replies.
Customer since 2018 on a business plan, got repeated boilerplate replies when seeking a pro rata refund after 30 days.
Nearly got locked out of PayPal because Proton Mail refused to receive the verification code, then moved critical mail back to Gmail.
Account created via temp email was locked for suspicious activity on first use until another email was added.
Customer service has repeatedly ignored questions and could not answer a simple billing question after years as a customer.
A new free Proton account was disabled for spamming after emailing a few hotels, with no recovery.
Likes Proton's services but is leaving after dissatisfaction with customer support.
A former paid user says Proton is not developed well enough for orgs and its sales team oversells.
Their Proton account was suspended and the appeal was refused and unanswered.
Visionary account holder says Proton ignored multiple support tickets to restore a mailbox for days.
Bought Proton Business to send app email via SMTP, but support said SMTP submission was available only to some accounts.
Their new Proton account was banned immediately because they used a VPN.
Common questions about Proton Mail
What do customers say about Proton Mail?
Most customers find it reliable for email with a custom domain, an easy switch from Gmail or Google Workspace, and good spam filtering. Complaints include weak body-text search, occasional outages, slow support and development, and constant prompts to upgrade. A few report mail from Proton addresses landing in spam.
Is Proton Mail worth it?
Of the 249 reviews with a clear verdict, 54% are positive, 12% mixed and 33% negative. The praise mentioned most is reliable. The most common complaint is poor support.
What do people like about Proton Mail?
The praise reviewers mention most: reliable (47 reviews), easy migration (36 reviews) and good deliverability (24 reviews). For example: Left Proton for Microsoft after two years and called it a mistake, returning in 2025 with their custom domain.
What are the most common complaints about Proton Mail?
The complaints reviewers mention most: poor support (20 reviews), outages (14 reviews) and upsells (8 reviews). For example: Account created via temp email was locked for suspicious activity on first use until another email was added.
What does the signal score of 79 mean?
It's how well reviewed Proton Mail is, out of 100. Negative and mixed reviews take points off, and so does having only a few reviews: a service needs plenty of them, compared with the most-reviewed services here, to reach the high 80s and 90s. It's worked out from reviews only, needs at least 5 of them, and updates as new ones come in.
What are the specs of Proton Mail?
Category: Email hosting. Free plan: Yes.
How does Proton Mail rank?
#2 in Best Email Hosting 2026, ranked by real customer reviews.
Where do these Proton Mail reviews come from?
295 are quotes from Reddit and YouTube, each linked to the original. Customer reviews are checked for spam before they appear. Every review, written here or quoted, is read as positive, mixed or negative.