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Heavy-duty tools for data work.

Three tools, one account — mailbox testing, file sorting, and seed recovery.

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Krantz Mail

Get to results faster.

Load the data, run the job, get the output. That's the whole workflow.

Built to be fast. Native performance. No interpreter overhead, no waiting around for batches to finish.

Every protocol, every server. Broad protocol coverage with automatic server detection for each domain.

Pay for what you use. Each tool is its own subscription. No bundles forced on you, no per-seat fees.

" The only checker that actually works out of the box. No config, no broken proxies, no wasted time. "

The lineup.

Mail, Sort, Seed.

SX.org — Stable Proxies for KrantzMail

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Sign up, install, run. No demo calls.

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The questions we get most.