Secure from Day One
Create Account
Sign up and add your business domain
Enable 2FA
Add authenticator app protection
Encrypted Storage
All data encrypted at rest automatically
Secure Communication
TLS-encrypted sending and receiving
Your business deserves email security that never sleeps. Get started free today.
Comprehensive Security Features
Every security measure you need to keep your business email safe, private, and compliant.
Two-Factor Authentication (TOTP)
Protect every email account with time-based one-time passwords. Compatible with Google Authenticator, Authy, and any TOTP-compliant app.
Encryption at Rest
All emails, attachments, contacts, and calendar data are encrypted at rest on our servers. Your data stays private even at the infrastructure level.
TLS/SSL Encryption in Transit
Every connection to and from Mailbux is secured with TLS encryption. IMAP, SMTP, POP3, and webmail traffic is always encrypted.
SPF, DKIM & DMARC
Built-in email authentication protocols prevent spoofing and phishing. Your domain reputation stays protected with automatic SPF, DKIM signing, and DMARC policies.
Brute Force Protection
Automatic rate limiting and account lockout after repeated failed login attempts. Keeps attackers out while your team works uninterrupted.
Access Control & Permissions
Granular per-account security settings. Control who can access what, manage app passwords, and enforce security policies across your organization.
Built for Businesses That Take Security Seriously
We believe your email is your business — not ours to monetize.
Your data is never shared with third parties or used for advertising
No ads in your inbox — ever. Your email stays clean and professional
GDPR-aware infrastructure with data protection built into every layer
Ready to Host Your Business Email for Free?
Set up professional email on your own domain in minutes. Free business email hosting, powered by Mailbux.