Fastmail Professional
The Fastmail Professional plan costs $9 per user / month, billed yearly ($108); $10 billed monthly.
What the plan includes
Everything in Standard with 150 GB of storage per user and an email retention archive for legal compliance.
As stated on fastmail.comThe plans either side of it
- Duo$8 per month for 2 people, billed yearly ($96); $10 monthlyone below
Two private inboxes with 60 GB each, plus addresses, calendars and an address book the two can share.
- Family$11 per month for up to 6 people, billed yearly ($132); $14 monthlyone above
Up to six private inboxes with 60 GB each at a flat rate, with controls for managing users' storage, privacy and security.
What else costs about this much
| Tool | Starts at | Free plan |
|---|---|---|
| Edison Mail | $8.33 a month | Yes |
| HEY | $8.25 a month | No |
| Spark Mail | $8.25 a month | Yes |
| Aqua Mail | $9.99 a month | Yes |
| CTemplar | $8 a month | Yes |
| Polymail | $10 a month | No |
Each tool’s own starting price, within a quarter of what this plan costs. A starting price is not the same plan, so read what each one includes before weighing them against each other.
Fastmail Professional questions
How much is the Fastmail Professional plan?
The Fastmail Professional plan costs $9 per user / month, billed yearly ($108); $10 billed monthly. Everything in Standard with 150 GB of storage per user and an email retention archive for legal compliance.
What is the difference between Fastmail Duo and Professional?
Duo costs $8 per month for 2 people, billed yearly ($96); $10 monthly and gives you two private inboxes with 60 GB each, plus addresses, calendars and an address book the two can share. Professional costs $9 per user / month, billed yearly ($108); $10 billed monthly and gives you everything in Standard with 150 GB of storage per user and an email retention archive for legal compliance.
Is it worth moving from Professional to Family?
That depends on what you need. Family costs $11 per month for up to 6 people, billed yearly ($132); $14 monthly and adds up to six private inboxes with 60 GB each at a flat rate, with controls for managing users' storage, privacy and security. The listing is what each plan states; neither plan is graded on its own.
Does Fastmail have a free plan or a trial?
There is no free plan, but there is a 30-day free trial, no credit card required.
When was this checked?
Oct 5, 2026, against https://www.fastmail.com/pricing/us/. Vendors change prices and plans without notice, so confirm on their site before you buy.