ATLOS
ATLOS: Affordable custom-domain email with shared inboxes, tracking, and API access. Ranked #57 of 178 in Email Hosting by our editors (5.3/10); pricing: Paid; best for teams needing shared inboxes and email API.
At a glance
- Editor score5.3 / 10
- PricingPaid
- Best forTeams needing shared inboxes and email API
- Free planNo
- Paid from$29.90/user/yr
- Storage per mailbox10 GB
- Facts checked21 Sep 2026
Where it wins
- Automatic MX, SPF, DKIM, and DMARC setup through Cloudflare
- Shared team mailboxes with delegated inbox access
- IMAP/SMTP access plus a transactional email REST API
Where it doesn't
- No calendar is included alongside email hosting
- No native mobile app; mobile access uses third-party clients
- Mailbox migration tooling is not included
Our verdict on ATLOS
ATLOS is a paid email-hosting service for individuals and teams using custom domains. It combines hosted mailboxes, webmail, aliases, email tracking, signatures, third-party client access, shared inboxes, and a transactional email REST API. The base subscription includes one mailbox user, one custom domain, 10 aliases, and 10 GB of storage, making it a focused fit for teams that want branded email with shared access and developer-oriented delivery options.
Pricing is straightforward across the published plans. The Base plan costs $2.99 per user per month when billed monthly, or $29.9 per user per year when billed annually. Both versions list the same included features: one user with mailbox login and inbox, one custom domain, 10 email aliases, email tracking and read receipts, automatic DNS through Cloudflare, and a signature builder with templates. ATLOS also offers additional users, domains, aliases, and a separate transactional email API for product and account messages.
Its platform fit is strongest for teams already comfortable with standard mail clients and Cloudflare. Webmail includes advanced search, keyboard shortcuts, and dark mode, while IMAP and SMTP support connects ATLOS with Apple Mail, Outlook, Thunderbird, and a phone’s built-in mail app. Automatic Cloudflare configuration covers MX, SPF, DKIM, and DMARC setup. Teams that need a calendar, native mobile apps, or mailbox migration tooling should choose a broader email suite instead; ATLOS is better suited to focused email hosting with shared inboxes, custom domains, and API access.
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ATLOS pricing
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ATLOS fact sheet
| Free plan | No |
|---|---|
| Paid from | $29.90/user/yr |
| Storage per mailbox | 10 GB |
| Email aliases | 10 aliases |
| Attachment limit | Not verified |
| IMAP/POP support | Yes |
| Mobile app access | Third_party |
| Calendar included | No |
| Migration tools | Not verified |
| Money-back guarantee | 14 days |
| Deployment | Cloud, Browser extension |
| Platforms | Web |
| Compliance & security | GDPR |
| Support | Tickets, Docs |
| Built for | Solo, Small business, Mid-market (editorial estimate) |
| Integrations | 4 integrations: Cloudflare, Apple Mail, Outlook, Thunderbird |
| Pricing | Paid (source) |
| Website | atlos.email |
| Facts checked | 21 Sep 2026 |
ATLOS integrations
ATLOS lists 4 integrations on its own site.
- Cloudflare
- Apple Mail
- Outlook
- Thunderbird
Alternatives to ATLOS
- Zoho MailA flexible business email suite with a free plan, low-cost entry tier, and migration support.9.4
- Microsoft Exchange OnlineA deep Exchange service for organizations centered on Outlook and administration.9.2
- Google WorkspaceA full Gmail-based collaboration suite for organizations that need more than email.9.1
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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