Free email. Own domain? That too.
Create your free email on @core9.email today. Need business email on your own domain? See our plans from R$ 19.90/month.
Why Core9 Email?
Powerful features
Built to give you full control over your company email
Advanced security
Spam and virus filters that block 99.9% of malicious mail. Encryption in transit and at rest.
Access from anywhere
Modern, responsive webmail. Works with Outlook, Apple Mail, Gmail and any IMAP client.
Built for speed
Fast, lightweight web interface with smart caching. Direct delivery with proper authentication.
A plan for every need
Start free with one mailbox on your domain. Need more? Pick the plan that fits.
Free
- 1 mailbox
- Your own domain
- 5 GB of storage
- Full webmail
- Email support
- Mailbox migration
Professional
- Your custom domain
- 5 mailboxes
- 25 GB of storage
- Priority support
- Advanced webmail
- Two-factor authentication
- Automatic backup
- Mailbox migration
Enterprise
- Your custom domain
- 15 mailboxes
- 50 GB of storage
- Priority support
- Every advanced feature
- Mailbox migration
Why choose Core9 Email?
Look trustworthy
Strengthen your brand with professional email and integrated tools that grow with you.
Privacy by design
Resilient infrastructure, privacy first and continuous availability.
A professional impression
Build more trust with a dedicated domain that makes your business stand out.
Brand recognition
Build credibility with full control over how you appear to your customers.
Frequently asked questions
Answers about our service and plans
Yes. You get one mailbox on your own domain at no cost, forever. No credit card, no catch.
Yes. Your domain works on the free plan. For more mailboxes on the same domain, choose a paid plan.
Yes. Core9 Email supports IMAP, so it works with Outlook, Apple Mail, Thunderbird and any standard client.
We provide migration tools that bring your existing mail across from your current provider.
The free plan allows up to 100 messages per day. Paid plans have higher limits.
Yes. You can upgrade, downgrade or cancel at any time, with no penalty.
Create your @core9.email address now
Completely free, no credit card. Need your own domain? Check the business plans.