Source

Features page (reliability) — Fastmail for Business

Checked for Fastmail for Business on 5 Nov 2026

Technical details

type: page
http status: 200
content hash: sha256:f20ffe0408541fc2b1ab02340403bcf357bce8659d9922e8f2f7531a9623a77d
permission: robots_ok
screenshot: Screenshot on file (internal exhibit, not published)

Cited by

Availability 24 7 Report an error

“Keeping your data confidential isn’t enough. We also put a lot of effort into ensuring your email and calendar are always available, and never lost, damaged, or corrupted.”
Uptime claim Report an error

“Fastmail has some of the best uptime in the business, plus a comprehensive multi data center backup system.”
Realtime replication Report an error

“It starts with real-time replication to geographically dispersed data centers, with additional daily backups and checksummed copies of everything.”
Redundant mirrors failover Report an error

“Redundant mirrors allow us to failover a server or even entire rack in the case of hardware failure, keeping your mail running.”
Ddos protection Report an error

“Sophisticated DDOS protection means our network can stay up even when under substantial attack.”
Monitoring 24h Report an error

“As part of our extensive 24-hour monitoring we test every port, on every service, along with key parts of our hardware and software. We also continually test the web interface on every backend server, with engineers on call to respond to any issues.”
Status page Report an error

“Transparency is very important to us, which is why you can always view our current status and track record at fastmailstatus.com.”
Trial days Report an error

“Try free for 30 days”