SentinelMail™ & DeepVault™ Cloud Drive — Zero-Outage Encrypted Email & Workspace

SENTINELMAIL™ & DEEPVAULT™ CLOUD

Zero-Outage Encrypted Email, Calendar, Cloud Drive & Mobile App • LegacyCore Holdings, Inc.

← LegacyCore.us Hub SentinelCore Division

🛡️ ZERO-OUTAGE MULTI-PROVIDER CLOUD • ANDROID & IPHONE APP • FLAT $USD IN USA / FLAT $CAD IN CANADA

Encrypted Email, Calendar & DeepVault™ Cloud Drive

Protected by SentinelCore ScamShield™, Wire-Fraud & Escrow Guard, 1-Click Burner Aliases, and PBKDF2-SHA512 + AES-256-GCM Zero-Knowledge Encryption so a single cloud outage or cyberattack never locks you out.

🔐 Client-Side AES-256-GCM Vault • 🔑 PBKDF2-HMAC-SHA512 (210,000 Iterations) • 📱 FIDO2 / 2FA Multi-Factor Login

🌐 Live Custom Domain Search & Auto-Configuration (Powered by Namecheap API)

Want your own @yourcompany.com or @smithrealty.ca email address? Search below! If a domain costs $10/yr or less on Namecheap (like .us), it is INCLUDED FREE ($0/yr) with Business Pro or Gov plans! If it costs more than $10/yr, we apply your $10 credit and only show the exact difference.

✓ smithrealty.us is AVAILABLE! (Namecheap Cost: $8.98/yr ≤ $10 Threshold = INCLUDED FREE!)

Automatically configures MX, SPF, 2048-Bit DKIM & DMARC records on signup.

SentinelMail™ Personal

Individuals, Families & Single Agents

$5 / month ($USD in US • $CAD in CA)

Standalone or Valkyrie Mobile™ Add-On

Clean @sentinelmail.us or .ca Address (Zero ad-tracking or inbox scanning)
25 GB DeepVault™ Encrypted Cloud Drive (AES-256-GCM file storage & sharing)
SentinelCore ScamShield™ Firewall: Blocks phishing links & malware attachments
1-Click "Hide-My-Email" Burner Aliases: Create disposable aliases for websites
Android & iPhone Mobile App + Calendar & Contacts Sync
Clean Individual View (Zero complicated IT menus)

Sign In to SentinelMail™ & DeepVault™

Protected by 210,000-Iteration PBKDF2-HMAC-SHA512 Key Derivation, AES-256-GCM Session Encryption, and Multi-Factor Verification.

🛡️ Cipher Suite: WebCrypto AES-256-GCM Brute-Force Shield: Ready (3/3)

SentinelMail™ | Gov, State/Local & Defense Edition

🔐 AES-256-GCM Session Active

SentinelCore Cryptographic Engine

AES-256-GCM + PBKDF2-SHA512 Vault Unlocked

Your zero-knowledge session key has been derived locally...

Wire-Fraud & Escrow Guard

✓ All Inbound Wire Instructions Verified

2048-bit DKIM signature verified against spoofed domains...

Welcome to SentinelMail™ & DeepVault™ Cloud Drive

🔐 Zero-Knowledge Session Active: Derived via 210,000-Iteration PBKDF2-HMAC-SHA512 • Session Token Encrypted with AES-256-GCM (IV Verified)

Click 🔐 Encrypt on the left rail (or the button in the top toolbar) to test live client-side AES-256-GCM Encryption & Decryption of any email message or file payload right inside your browser.

🔐 Live SentinelCore AES-256-GCM + PBKDF2-SHA512 Encryption Engine

Uses your browser's hardware-accelerated WebCrypto engine to encrypt and decrypt messages and files with a 256-bit key derived from 210,000 iterations of PBKDF2-HMAC-SHA512.

1. Plaintext Message or Contract Note to Encrypt

2. Resulting AES-256-GCM Authenticated Ciphertext (Base64 + 96-Bit IV + Salt)

☁️ DeepVault™ Encrypted Cloud Drive

250 GB Encrypted Pool • Zero-Knowledge AES-256-GCM + WORM Lock

File / Folder	Size	Protection	Action
📁 Client Closing & Escrow Contracts	18.2 MB	🔒 WORM Legal Lock
📄 2026_Operations_and_Budget.xlsx	1.4 MB	✓ AES-256-GCM

📅 SentinelMail™ Calendar

Two-way CalDAV/ActiveSync with Android, iPhone, and Desktop Outlook.

📱 Android & iPhone Mobile App Installer

Install the unified SentinelMail™ & DeepVault™ Mobile App or download the 1-click native iOS/Android Mail & Calendar auto-sync profile.

🌐 "Hide-My-Email" Burner Aliases & Connected Domains

Burner Alias	Label	Status
`shield-4829@sentinelmail.us`	Public Website & Open-House Sign-In	● ACTIVE

⚙️ Organization IT Department Admin Console

Add or remove employee mailboxes, enforce YubiKey/2FA, and manage WORM retention policies.