Core9 Email
Core9 Email: A capable free starting point for small teams that need custom-domain email. Ranked #129 of 178 in Email Hosting by our editors (5.3/10); pricing: Free plan; best for small web-only teams wanting a free starting tier.
At a glance
- Editor score5.3 / 10
- PricingFree plan
- Best forSmall web-only teams wanting a free starting tier
- Free planYes
- Paid from19.90 BRL/mo
- Facts checked21 Sep 2026
Where it wins
- Free custom-domain hosting with full webmail and email support
- IMAP access works with Outlook, Apple Mail, Thunderbird and Gmail
- Migration, filtering, DKIM, SPF and mailbox administration are included
Where it doesn't
- Paid plans start at BRL 19.90 per month
- Automatic backups are listed on the Professional plan
- The Free plan does not list priority support or advanced webmail
Our verdict on Core9 Email
Core9 Email provides hosted email on custom domains for individuals and small businesses. It combines browser-based webmail with IMAP access, so teams can manage messages in the web interface or connect standard clients such as Outlook, Apple Mail, Thunderbird and Gmail. Its feature set also covers spam and virus filtering, automatic DKIM and SPF configuration, mailbox migration, and an administrative console for mailboxes, domains and permissions. The Free plan suits small web-only teams that want a branded email address without a recurring charge.
The pricing structure starts with the Free plan, which includes a custom domain, full webmail, email support and mailbox migration. Professional costs BRL 19.90 per month and adds priority support, advanced webmail, two-factor authentication and automatic backup alongside the core email features. Enterprise costs BRL 39.90 per month and includes priority support, every advanced feature, a custom domain and mailbox migration. Annual billing saves 10%, while the published paid plans are presented with monthly prices. This makes the Free tier the clearest entry point, while Professional is the more suitable choice for organizations that need stronger account protection and backup coverage.
Core9 Email fits teams that want standard email-client compatibility without assembling separate migration, filtering, domain-record and administration tools. IMAP support broadens client choice, while the web platform keeps mailbox and permission management centralized. The trade-off is that the strongest operational additions are concentrated in paid tiers: priority support, advanced webmail, two-factor authentication and automatic backup are associated with Professional, and Enterprise is the higher-cost route to every advanced feature. Choose Core9 Email for straightforward custom-domain hosting and a free starting tier; consider another service if your priority is a broader application ecosystem or a lower paid entry point.
Your product? Our editors can test Core9 Email in depth and publish a review, labelled as paid · from $149/mo →
Core9 Email pricing
All 3 Core9 Email plans and prices →
Core9 Email fact sheet
| Free plan | Yes |
|---|---|
| Paid from | 19.90 BRL/mo |
| Storage per mailbox | Not verified |
| Email aliases | Not verified |
| Attachment limit | Not verified |
| IMAP/POP support | Yes |
| Mobile app access | Not verified |
| Calendar included | Not verified |
| Migration tools | Yes |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | 2FA |
| Support | |
| Built for | Small business (editorial estimate) |
| Integrations | 4 integrations: Outlook, Apple Mail, Thunderbird, Gmail |
| Pricing | Free plan (source) |
| Website | core9.email |
| Facts checked | 21 Sep 2026 |
Core9 Email integrations
Core9 Email lists 4 integrations on its own site.
- Outlook
- Apple Mail
- Thunderbird
- Gmail
Alternatives to Core9 Email
- 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
See all Core9 Email alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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