No. 9 of 26 ·Email Anti-Spam Software

MX Guarddog

Name: MX Guarddog
Price: 0.25 USD

Web · paid plans from $0.25/mo

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Freedom report

One barScore 5.4

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

MX Guarddog is ranked #9 of 26 in email anti-spam software on Freedom251. It runs on Web. A free trial is offered. Paid plans start at $0.25/mo.

MX Guarddog plans and pricing

All plans

Per Email Address Pricing $0.25/mo $0.25 per email address, per month; no charge for user aliases or domain aliases. No limit on email addresses or messages; free user aliases; unlimited quarantine storage mxguarddog.com · 3 Oct 2026

Compared on email anti-spam software

Free plan: Yes
Phishing detection: Yes
Malware scanning: Yes
Quarantine access: user_and_admin
Supported mail platforms: Standard SMTP email servers for owned domains; not consumer Gmail or Hotmail accounts
Quarantine retention: 7 days
Deployment type: cloud_gateway

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The record

Email filtering: MX Guarddog scans incoming email for spam, phishing, malware, and viruses, quarantines offending messages, and forwards clean mail to the customer’s server.
Hosted service: The cloud based service requires no hardware or software installation and no configuration changes to email clients or the server.
Encryption: The service says it uses Transport Layer Security encryption, including Perfect Forward Security, for email traveling over the Internet.
Account syncing: MX Guarddog says it can automatically sync active email addresses from Windows AD, LDAP, or cPanel systems.
Mail outage protection: If a customer’s server is unavailable, MX Guarddog says it spools mail for up to 168 hours and delivers it when the server is back online.
Quarantine reports: The service sends users quarantine reports summarizing stopped spam, and users can adjust their report preferences.
Filtering technology: The company says its servers use mailbox activity to maintain a real-time blocklist that identifies and stops spam.
Service availability: The SLA commits to commercially reasonable efforts to maintain at least 99.95% uptime over a trailing 30-day period and offers a service credit if the commitment is missed.
Support: End users are directed to contact their email administrator, while domain administrators can contact the MX Guarddog postmaster for technical help.
Intended customers: The company describes the service as suitable for organizations, schools, churches, police and government offices, and personal domain owners.
Free service option: Customers can earn tokens by placing visible MX Guarddog text links on a website and use those tokens to pay invoices.
Billing limits: The pricing page says there is no limit on the number of email addresses or messages a customer can receive.
Founded: 2006
Price from: $0.25/mo

Where it ranks on Freedom251

Best Email Anti-Spam Software in 2026#9 of 26

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Sources

mxguarddog.com· checked 3 Oct 2026
mxguarddog.com/pricing/· checked 3 Oct 2026
mxguarddog.com/faq.admins/· checked 3 Oct 2026
mxguarddog.com/sla/· checked 3 Oct 2026
mxguarddog.com/support/· checked 3 Oct 2026
mxguarddog.com/faq.billing/· checked 3 Oct 2026