Fastmail Password Requirements and Generator
Password Rules for Fastmail
- Length: Up to 72 characters
- Note: Maximum password length increased to 72 characters. Most restrictions on special characters have been removed.
Generate a Password for Fastmail
Standard mixed-character password with uppercase, lowercase, numbers, and symbols.
or press Space when focused
Reset to defaults
Detailed Requirements
| Rule | Value |
|---|---|
| Maximum Length | 72 characters |
| Notes | Maximum password length increased to 72 characters. Most restrictions on special characters have been removed. |
Rules last verified: May 16, 2026
Frequently Asked Questions about Fastmail
- What are the password requirements for Fastmail?
- For Fastmail, passwords can be up to 72 characters.
- How long should my Fastmail password be?
- Fastmail allows passwords up to 72 characters. Longer is stronger — get as close to the maximum as is practical.
- Does Fastmail allow special characters in passwords?
- Fastmail's symbol policy hasn't been confirmed. The generator above defaults to widely-accepted symbols like ! @ # $ % & * to maximize compatibility.
- How do I generate a strong password for Fastmail?
- Use the password generator on this page — it's already configured to match Fastmail's rules. Click "Generate Password" and copy the result. For maximum security pick a length of 16 or more.
- Is the PassTailor generator safe to use for Fastmail?
- Yes. Passwords are generated entirely in your browser using the cryptographically secure Web Crypto API. Nothing is sent to our servers and nothing is stored.
