Fastmail Help & Support
For instant answers, search our documentation or browse the various categories below. If you can’t find what you need, contact our support team and we’ll help get your issue resolved as soon as we can.
Common Issues
- New user guide
- How do I migrate my mail, domain, calendar and contacts to Fastmail?
- Set up your phone, tablet or desktop to access your email, calendars and contacts
- I can’t access my account / forgotten my password
- I’m getting a lot of unwanted messages (spam)
- Set up email for your own domain
- Restore accidentally deleted mail
- Guide to the updated settings interface
Users, Billing & Plan
How to…
- Migrate mail, domain, calendar and contacts to Fastmail
- Add, delete or change users
- Switch between multiple user accounts
- Add extra mail storage to a user
- Upgrade/downgrade your plan
- Renew your account
- Cancel your account
- New user guide
Frequently asked questions
- What limits are there for storage space, bandwidth on sending and receiving etc.?
- What can an administrator do?
- What is Fastmail’s refund policy?
- What happens if my subscription or free trial expires?
- Can I change my username?
- Do I need extra user accounts?
- What languages is Fastmail available in?
- How can I download all my data?
Troubleshooting
Security
How to…
- Change your password
- Set up passwords for your apps
- Secure your account with two-step verification / 2FA
- Remotely log out your account
- Find your password in your password manager
Frequently asked questions
Troubleshooting
Business
- Guide to managing business (multi-user) accounts
- Migrate your business email to Fastmail from another service
- Manage the shared contacts
- Sharing mail between users
- Sharing calendars between users
- Retain a tamper-proof archive of all email sent or received by a user
- Set your business name, custom login screen, and email footer
- Import a user into your account
- Detach a user from your account
- Managing family accounts
- Managing resold accounts
Troubleshooting
Receive, Organise & Find Mail
Set up
- Import your email from another provider
- Use an existing email address with your Fastmail account
- Set up email for your own domain
- Host your DNS with Fastmail
- Set up aliases
- Can I have a catchall/wildcard alias?
Manage
- Use keyboard shortcuts
- Organise mail using conversations
- Pins: flagging important mail
- Search your mail
- Set up and use folders
- Set up a vacation autoreply
- Options for printing mail conversations
- Forward your mail to another account
- Organise mail with rules
- Create rules using regular expressions
- Get a notification when mail arrives
- Plus addressing and subdomain addressing
- Download a copy of your mail
Troubleshooting
- Restore accidentally deleted mail
- I’m getting a lot of unwanted messages (spam) in my Inbox
- How do I turn off the grouping of related messages?
- Some messages are missing from my account
- I got an email from someone I don’t know. How is that possible?
- Why was an email delivered to my account even though I’m not listed in the To or Cc list of addresses?
- Someone tried to send me a message, but it bounced back
- Remote images blocked to protect your privacy
- Mail to my custom domain is bouncing
Send Mail
How to…
- Open mailto links from other sites in Fastmail
- Send email from your other addresses
- Undo a sent message
- Set your profile picture (avatar)
- Create an (image) signature that’s automatically added to your messages
- Format your message with fonts, colours and links
- Create templates to use as a starting point for new messages
- Change the attribution line at the top of quoted text in replies
- Use account identities
- Adding Attachments: computer, file storage, Dropbox
- Request a read receipt
- Set High Priority importance
- Forward multiple messages
- Send a copy
Troubleshooting
Contacts / Address Book
- Using contacts
- Access your contacts from your phone, tablet or desktop
- Import or export contacts
- Manage contact groups
- Keyboard shortcuts
Troubleshooting
Calendar
- Create an event or schedule a meeting
- Access your calendar from your phone, tablet or desktop
- Access a calendar from Google, iCloud or another CalDAV service
- Search your calendar
- Subscribe to a public calendar
- Share your calendars
- Import or export your calendars
- Migrate your calendars to Fastmail
- Show your contacts’ birthdays
- Set your time zone
- Change how dates are formatted
- Calendar views and navigation
- Keyboard shortcuts
Troubleshooting
Files
Desktop & Mobile App Sync
Set up
- Use the Fastmail app on your phone or tablet
- Set up passwords for your apps
- Set up your email or calendar on your phone, tablet or desktop
- Access your folders when using POP
- Access via a proxy
- See a list of all the ports and server names for our services
Troubleshooting
Technical Information
- Server names and ports
- The Fastmail storage architecture
- The Fastmail delivery process in detail
- SMTP-stage spam checks
- Content-based spam checks
- Backscatter spam checks
- Sender Authentication: SPF, DKIM and DMARC
- Why IMAP is better than POP
- SSL vs TLS vs STARTTLS
- Email standards
- The Sieve language
- Supported browsers