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Email protection for the way your business works

The same filtering protects every domain, but the risks differ. A law firm worries about changed payment instructions, an MSP about many client domains, a host about support tickets. Start with the page closest to you.

iBlockSpam filters inbound mail at the MX level, in front of the platform you already use, and charges one price per domain. Every mailbox on the domain is included, so hiring doesn't change your bill. The pages below explain what that means for different kinds of business, including the limits.

For businesses protecting their own domain

Small businesses

Spam, phishing and malware filtering without per-user pricing, a personal quarantine for every user and guided setup for small teams without a security department.

Law firms

Phishing, spoofed senders and changed payment instructions aimed at client funds, plus what the ABA's ethics opinions say about reasonable safeguards.

Accounting and bookkeeping firms

Tax-season phishing, IRS impersonation, W-2 requests and malicious client attachments, with a checklist for busy season.

Real estate, title and escrow

Closing wire fraud, lookalike domains and the call-back process that stops a fraudulent wire even when a client's own mailbox is compromised.

Medical and dental practices

Phishing, malware and vendor impersonation aimed at patient data, what the HIPAA Security Rule says about email, and the questions to ask us first.

Firms that move money on email instructions should also read our guides to business email compromise and vendor invoice fraud.

For businesses that look after other people's domains

Managed service providers

One filtering layer across clients on Microsoft 365, Google Workspace and cPanel, with drift alerts when someone changes a client's DNS.

Web hosting providers

Per-domain inbound filtering in front of the mail servers you already run, with notes for cPanel/WHM routing.

For MSPs and hosts, partner terms, including pricing, are agreed individually, and approved partners get a partner console for their clients' domains; see partners.

Not sure where you fit?

Why iBlockSpam covers what every customer gets, and the FAQ answers common questions about setup, limits and leaving. Prices are on the pricing page.

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