Finds Fastmail spam filtering very good after training, push works well on Apple Mail, and has no regrets.
95signal
236reviewsi
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.
88% Positive8%
Easy migration from Gmail or Google Workspace and human support, though the calendar feels clunky.
What customers love, and what they don’tWhat customers noticed
Customer reviews (236)
Add your reviewShowing 22 reviews mentioning fast Show all
Switched from Proton to Fastmail, finds it fast and reliable with no ads or upsells and no regrets.
Found Fastmail a good option, faster than mailbox.org from a long distance away.
Waited about 12 hours on the trial, then paid for two years; likes the clean interface, fast site and app, and runs aliases and a custom domain.
Finds the official Fastmail Mac app extremely fast, much quicker and less buggy than Apple apps.
Moved from Proton to Fastmail for open-standard JMAP speed, good UX, simple pricing, aliases and custom domains.
Uses Fastmail because it is fast, clean and supports custom domains.
Uses Fastmail as a catch-all for several domains with many aliases; IMAP and iOS app are fast and reliable.
Used Fastmail for years because it is private, reliable and fast, with no ads in the inbox.
Fastmail user since 2006 who finds it smooth on Apple devices and one of the fastest, most responsive IMAP platforms.
Tried Fastmail and Hey after Gmail and Proton; surprised how fast the apps are, so subscribed for three years.
Switched from Gmail after 18 years and is really satisfied with a fast, simple, ad-free interface.
Moved many domains from Proton and SimpleLogin to Fastmail; aliases and rules are far easier and it is much faster.
After Proton, Posteo and a failed Tuta signup, uses Fastmail with custom domains; apps are great and snappy.
Chose Fastmail with their own domain after finding Proton's apps and site laggy; it is blazing fast.
Finds Fastmail lightspeed fast and wonderful, with only minor gripes about compose layout.
Finds the Fastmail web app great on desktop and phone, especially after offline sync was added.
Chose Fastmail because it is snappy, fast and not bloated, and does what it should.
Switched from Proton and finds Fastmail interface far faster, saving time compared with Proton.
About 40k messages since 2003 and search is virtually instantaneous.
Nearly 200k messages and 9GB since 2002 and searching anything takes under two seconds.
Used Fastmail before and adored it: snappy with well-working integrations.
Common questions about Fastmail
What do customers say about Fastmail?
Customers consistently describe it as reliable, fast and easy to use, with simple migration from Gmail or Google Workspace and strong spam filtering. Many have used it for a decade or more and say support is human and helpful. Minor complaints include a clunky calendar and limited calendar sharing outside Fastmail.
Is Fastmail worth it?
Of the 200 reviews with a clear verdict, 88% are positive, 8% mixed and 5% negative. The praise mentioned most is reliable. The most common complaint is email delivery problems.
What do people like about Fastmail?
The praise reviewers mention most: reliable (59 reviews), easy to use (45 reviews) and easy migration (23 reviews). For example: Finds Fastmail's organisation far easier than Proton for a real inbox, and less buggy with a rock-solid app.
What are the most common complaints about Fastmail?
The complaints reviewers mention most: email delivery problems (1 review), poor support (1 review) and renewal price hike (1 review). For example: Opened tickets about mail providers not receiving their custom domain emails and a billing issue; nine days later neither was resolved, and authenticated mail was still landing in spam.
What does the signal score of 95 mean?
It's how well reviewed Fastmail 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 Fastmail?
Category: Email hosting. Free plan: No.
How does Fastmail rank?
#1 in Best Email Hosting 2026, ranked by real customer reviews.
Where do these Fastmail reviews come from?
236 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.