knoxdefender.com
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Simple, per-mailbox pricing

Three plans. Pay for the mailboxes you protect. Ask about nonprofit pricing.

Essential

Email backup and recovery plus domain monitoring.

Quote based on mailbox count

  • Email backup & recovery (coming soon)
  • Domain protection
  • Email threat protection
  • Mailbox account security
  • Archiving & preservation
  • Awareness training
  • Retention: 1 yr, 3 yr
Start free setupor get a quote →
Most chosen

Protect

Essential plus email threat protection and mailbox account security.

Quote based on mailbox count

  • Email backup & recovery (coming soon)
  • Domain protection
  • Email threat protection (coming soon)
  • Mailbox account security (coming soon)
  • Archiving & preservation
  • Awareness training
  • Retention: 1 yr, 3 yr, 7 yr
Start free setupor get a quote →

Complete

Protect plus email archiving and awareness training.

Quote based on mailbox count

  • Email backup & recovery (coming soon)
  • Domain protection
  • Email threat protection (coming soon)
  • Mailbox account security (coming soon)
  • Archiving & preservation (coming soon)
  • Awareness training
  • Retention: 1 yr, 3 yr, 7 yr
Start free setupor get a quote →

One-off services

Quoted separately, done by our team.

Mailbox migration

Moving between providers or tenants, planned with you and done mailbox by mailbox.

Request a quote →

Domain authentication setup

We get SPF, DKIM and DMARC right for every service that sends as your domain, then move DMARC to enforcement safely.

Request a quote →

Compromised mailbox cleanup

Hands-on help after an account takeover: remove malicious rules and app access, reset sign-in, review what was sent.

Request a quote →

Pricing notes

  • Shared mailboxes are included at no extra cost unless your plan says otherwise.
  • Changing plans never deletes retained email or lifts a legal hold.
  • Longer retention keeps more data, so it can affect storage costs; your quote spells this out.