Google Workspace costs $7-25 per user per month. At 50 employees, that's $4,200-15,000 per year — for email. Self-hosting with Mailcow on a VPS costs $20-80 per month total, regardless of how many mailboxes you create. But cost isn't everything. Let's break down when each option makes sense.
Quick Comparison
| Factor | Self-Hosted (Mailcow) | Google Workspace |
|---|---|---|
| Cost (50 users) | $40-80/mo flat | $350-1,250/mo |
| Setup effort | 30-60 minutes | 10 minutes |
| Maintenance | You manage updates | Google manages |
| Privacy | Full control | Google scans email |
| Deliverability | Requires DNS setup | Excellent by default |
| Uptime SLA | Your responsibility | 99.9% guaranteed |
| Mailbox limit | Unlimited | Per-user pricing |
When Self-Hosting Wins
1. Cost at Scale
Google Workspace Business Standard is $14/user/month. At 50 users, that's $8,400/year. A ZentisLabs Business VPS running Mailcow is $48/month — $576/year — for unlimited mailboxes.
2. Privacy and Data Sovereignty
Self-hosted email means your data never leaves your server. This matters for:
- GDPR compliance (data stays in your chosen jurisdiction)
- Legal firms handling privileged communications
- Healthcare organizations (HIPAA considerations)
- Government and defense contractors
3. No Vendor Lock-In
Google controls your business email. They can raise prices, change terms, or suspend accounts. Self-hosted email is yours — forever.
When Google Workspace Wins
- Zero Maintenance: Google handles security patches, uptime, spam filtering, and scaling.
- Google Integration: If your team lives in Google Docs, Drive, and Meet, Workspace is seamless.
- Deliverability Out of the Box: Google's IPs have perfect reputation. No DNS tuning required.
- Small Teams: For 1-10 users, the cost difference is minimal and convenience wins.
Setting Up Mailcow on ZentisLabs
ZentisLabs offers one-click Mailcow deployment:
- Deploy — Select "Mailcow Email Server" during VPS setup. Enter your domain name.
- DNS records — The dashboard gives you exact A, MX, SPF, DKIM, and DMARC records to add.
- Admin panel — Open the admin interface, add your domain, and create mailboxes.
- Test — Send a test email and check your score at mail-tester.com.
Deliverability Checklist
Follow this checklist for 9/10+ mail-tester scores:
- A record —
mail.yourdomain.com→ your server IP - MX record —
yourdomain.com→mail.yourdomain.com - SPF —
v=spf1 mx ~all - DKIM — Generate in Mailcow admin (2048-bit key)
- DMARC —
v=DMARC1; p=quarantine; rua=mailto:dmarc@yourdomain.com - PTR record — Reverse DNS for your IP →
mail.yourdomain.com - SSL/TLS — Mailcow auto-provisions Let's Encrypt certificates
5-Year Cost Comparison (50 Users)
| Period | Self-Hosted | Google Workspace |
|---|---|---|
| Year 1 | $480 | $8,400 |
| Year 2-5 | $1,920 | $33,600 |
| 5-Year Total | $2,400 | $42,000 |
| Savings | $39,600 | — |
✉️ ZentisLabs makes self-hosting easy with pre-configured Mailcow VPS, guided DNS setup in the dashboard, and one-click deployment. Choose self-hosted if you have 20+ users and value privacy and cost control.