v1.0.0

• Multi-provider SMTP relay (Gmail, Outlook, Yahoo, Seznam, Zoho, SES, SendGrid, Mailgun, custom SMTP)
• Auto-detection of SMTP settings from email address
• DNS validation (SPF, DKIM, DMARC)
• Per-provider IP whitelist with optional SMTP AUTH
• Built-in Postfix policy server - no open relay
• Setup wizard with guided configuration
• Daily sending limits with usage tracking
• SOCKS5/HTTP proxy support with round-robin assignment
• Health monitoring
• Admin panel: user management, proxy management, provider type limits
• Mail logs with status filtering
• Multilingual UI (EN, CS, DE, RU, ES)
• Docker Compose deployment