Der moderne Enterprise-Mailserver. Ein System. Volle Souveränität. Bis zu 28 % günstiger.

# Enterprise Mail + Webmail PWA + GoBD Archive + OpenTelemetry via Docker Compose
services:
  sharpmail:
    image: registry.sharpmailserver.com/sharpmailserver:latest
    restart: unless-stopped
    ports: ["25:25", "465:465", "587:587", "993:993", "4190:4190", "80:80", "443:443"]
    environment:
      Storage__Provider: "Postgres"        # or zero-config "Sqlite" WAL
      Storage__BlobBackend: "Hybrid"       # Local NVMe + S3 WORM Object Lock
      Storage__Compression: "Zstd"         # Content-addressed SHA-256 dedup
      OpenTelemetry__Enabled: "true"       # OTLP Traces, Metrics & JSONL Logs
    volumes:
      - ./sharpmail-data:/var/lib/sharpmail

# In 30 Sekunden per Docker oder Rootless Podman starten (x86_64 & ARM64)
docker run -d --name sharpmail --restart unless-stopped \
  -p 25:25 -p 465:465 -p 587:587 -p 993:993 -p 4190:4190 -p 80:80 -p 443:443 \
  -v $(pwd)/sharpmail-data:/var/lib/sharpmail \
  -e Bootstrap__DefaultDomain="firma.de" \
  -e OpenTelemetry__Enabled="true" \
  registry.sharpmailserver.com/sharpmailserver:latest

# Alternativ: Nativer Windows-Server-Dienst komplett OHNE Docker oder WSL2
New-Item -ItemType Directory -Force -Path "C:\SharpMailserver\bin", "C:\SharpMailserver\data" | Out-Null
Expand-Archive .\SharpMailserver-win-x64.zip -DestinationPath "C:\SharpMailserver\bin" -Force

New-Service -Name "SharpMailserver" `
  -BinaryPathName '"C:\SharpMailserver\bin\SharpMailserver.Server.exe" --contentRoot "C:\SharpMailserver\bin"' `
  -DisplayName "SharpMailserver Enterprise Mail & GoBD Archive" `
  -StartupType Automatic
sc.exe failure SharpMailserver reset= 86400 actions= restart/5000/restart/5000/restart/10000
Start-Service SharpMailserver

// Integrierte Transactional HTTP API mit Idempotency-Key & Dual-DKIM
using var http = new HttpClient { BaseAddress = new("https://mail.iqmeta.de") };
http.DefaultRequestHeaders.Add("X-Api-Key", Environment.GetEnvironmentVariable("SHARPMAIL_KEY"));
http.DefaultRequestHeaders.Add("Idempotency-Key", "inv-2026-0841");

var res = await http.PostAsJsonAsync("/api/v1/send", new {
    from = "billing@iqmeta.de",
    to = new[] { "accounting@customer.de" },
    subject = "ZUGFeRD Invoice #2026-0841",
    htmlBody = "<p>Please find your EN 16931 invoice attached.</p>"
});

# RFC 5228 Sieve: editierbar per ManageSieve (Port 4190) oder Visual Rule Builder
require ["fileinto", "vacation", "reject"];

if header :contains "X-ZUGFeRD-Detected" "true" {
    fileinto "Archive/Invoices-2026";
    stop;
}