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Quick answer: PowerMTA benefits from at least 4 CPU cores and 4GB RAM, more for high-volume senders, plus fast storage for its accounting files and the option of multiple dedicated IPv4 addresses for pool-based sending. It's commercial software with its own separate license.

What to Look For

CPU & RAM Headroom

Advanced or Pro plans provide the resources PowerMTA's throttling engine can actually use.

Multiple IPv4 Addresses

Common for senders building IP pools or gradually rotating in new addresses.

NVMe Storage

Fast I/O for PowerMTA's accounting files and spool directories under high volume.

Full Root Access

Needed for license activation and low-level system tuning.

Frequently Asked Questions

How many CPU cores does PowerMTA need?

4 cores is a reasonable starting point; higher-volume senders often move to 8 cores or more.

Does VPS For Life provide a PowerMTA license?

No, PowerMTA licensing is purchased separately from the server infrastructure.

Can I run multiple sending IPs with PowerMTA?

Yes, additional dedicated IPv4 addresses can be requested for IP pool configurations.

Which VPS For Life plan is recommended?

Advanced or Pro, depending on sending volume and the number of managed domains.

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Multiple IPv4 support and higher CPU/RAM tiers — starting at $19.95/month.

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