Fastmail4.0 out of 5 stars |
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Related Products
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Duobox:
About
Duobox is hosted business email for small teams that want to use addresses on their own domain. It provides personal and shared inboxes such as sales@, support@ and billing@, with shared message history and access for multiple team members. Users can connect a domain they already own or register one through Duobox, then create inboxes, aliases and forwarding rules. The service includes up to 10 inboxes of 50 GB each per person and supports additional domains. Teams can access mail in a web browser or configure a phone's mail app. Duobox also offers an MCP connection for clients such as ChatGPT, Claude and Cursor, using OAuth and configurable permissions to read mail, save drafts, send messages, or manage the team, plan and inboxes. A free tier includes one person, one inbox, one domain and 10 GB; additional people cost $2 per month each.
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Fastmail:
About
Email you can feel good about. features you’ll love. You get 100% of our efforts and expert support when you need it. Email holds the details of your life. Here, your story is protected, not monetized. Thoughtful and speedy email, calendars, and contacts; all ad-free. Built with you in mind, you’ll love our intelligent features. Internet companies use your data as a way to get rich. But it doesn’t have to be this way. Take back your privacy and get a better email experience. With your email on your side, you spend more time doing what you love. Use Fastmail in your web browser, on mobile devices, and on desktop apps (Outlook, Thunderbird, Mac Mail). Breeze through your day with email, calendars, and contacts all in one app. Seamlessly import your data. Keep your life organized with a full-featured inbox. Bring all your calendars together. Share with your favorite people. Use your custom domain, and own your email address forever.
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Duobox:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Fastmail:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Not Supported
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Duobox:
Audience
Small companies and teams that want email on their own domain, with shared inboxes like sales@ and support@, and teams that want their AI agent to work in that inbox.
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Fastmail:
Audience
Anyone that wants an ad-free and secure email service provider
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Duobox:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Fastmail:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Duobox:
API
Offers API
Supported
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Fastmail:
API
Offers API
Not Supported
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Duobox:
Screenshots and VideosNo images available
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Fastmail:
Screenshots and Videos |
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Duobox:
Pricing
$2/person/month
Free for one person, one inbox, one domain and 10 GB, with no card required. Paid access is $2 per added person per month in US dollars, with no contract; each person can have up to 10 inboxes of 50 GB each. The first domain is included; each additional domain costs $5 per month for hosting, and domain registration is charged separately by the registrar.
Free Version
Supported
Free Trial
Not Supported
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Fastmail:
Pricing
$3 per user per month
Free Version
Not Supported
Free Trial
Supported
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Duobox:
Reviews/
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Fastmail:
Reviews/
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Fastmail:
Pros & Cons from Real UsersPros
Cons
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Duobox:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Fastmail:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Duobox:
Company InformationDuobox
Founded: 2026
Argentina
duobox.io/en
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Fastmail:
Company InformationFastmail
Founded: 1999
Australia
www.fastmail.com
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Duobox:
AlternativesNo Alternatives
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Fastmail:
Alternatives |
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Fastmail:
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Fastmail:
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Fastmail:
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Duobox:
Categories |
Fastmail:
Categories |
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Duobox:
Integrations
1Password
Not Supported
All-in-One Messenger
Not Supported
ChatGPT
Supported
Claude Code
Supported
ClearMyInbox
Not Supported
Cursor
Supported
Fluxmail
Not Supported
Franz
Not Supported
GroupNews
Not Supported
Keeper.sh
Not Supported
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Fastmail:
Integrations
1Password
Supported
All-in-One Messenger
Supported
ChatGPT
Not Supported
Claude Code
Not Supported
ClearMyInbox
Supported
Cursor
Not Supported
Fluxmail
Supported
Franz
Supported
GroupNews
Supported
Keeper.sh
Supported
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Duobox:
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Fastmail:
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