Security & deliverability
Email is only useful if it's private and actually lands in the inbox. Here's exactly what we do to protect your mail and keep it deliverable — no marketing fluff, just the standards we run.
Encryption in transit
Every connection — webmail, IMAP, POP3 and SMTP — is secured with TLS. Plaintext authentication is disabled, so your password and mail are never sent in the clear.
Full deliverability stack
We publish SPF, DKIM and DMARC for every domain, plus MTA-STS and a correct reverse-DNS (PTR) record. This is what keeps your mail out of spam and stops others spoofing your domain.
Anti-spam & antivirus
Inbound mail passes through a machine-learning spam filter (Rspamd) and a virus scanner (ClamAV) before it ever reaches your inbox. Greylisting and rate-limiting block bulk attackers.
Two-factor authentication
Protect your mailbox with TOTP-based 2FA from your webmail security settings. Even if a password leaks, your account stays locked.
Modern password hashing
Account passwords are hashed with argon2id — a memory-hard algorithm built to resist brute-force and GPU cracking. We never store passwords in plain text.
Isolated, dedicated infrastructure
Your mail runs on our own dedicated server, not a shared free-tier box. A clean sending IP with proper rDNS means trusted delivery to Gmail, Outlook and Yahoo.
Privacy by default
No ads. No scanning your mail to sell data. Your mailbox is yours — we only process what's needed to deliver and protect it.
Spam-resistant signups
Verified email at signup, rate-limited authentication and short-lived, single-use tokens for verification and password reset.
Reporting a vulnerability
Found a security issue? We appreciate responsible disclosure. Email security@sourovstore.dev with details and steps to reproduce. Please give us reasonable time to fix before public disclosure.
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