All comparisons

InboxMonitor and EmailGuard

Use EmailGuard when you want inbox-placement tests, content spam checks, contact verification, or their weekly authentication and blacklist monitoring.

Use InboxMonitor when you want a daily DNS check, two named blocklists, and an email when the result gets worse, on a free plan that does not include placement tests.

Their site: emailguard.io

Read on November 12, 2026.

Side by side

TopicEmailGuardInboxMonitor
Blacklists checkedPlans include weekly automated blacklist monitoring and ad-hoc blacklist checks. Pro and higher plans list Spamhaus Intelligence credits. The homepage says domain, IP, and sending servers are monitored.PSBL and 0spam, for sending addresses the check can see. Spamhaus is not queried unless a paid key is set. A timeout or refusal is neither a listing nor a clean result.
How oftenThe pricing page says weekly automated blacklist monitoring and weekly automated SPF, DKIM, and DMARC checks. Ad-hoc authentication and blacklist checks are also listed.Once a day.
AlertsThe homepage says you are notified if you are listed. The pricing page describes the monitoring as weekly.Email when a daily check gets worse. Paid plans include a weekly digest. Slack is on Agency and Agency Pro.
Result pageAuthentication lookup and generation, DMARC insights, inbox-placement tests, and a content spam checker. The homepage says an email test reviews 162 data points.A domain page in the app: a 0–100 score, Healthy, Watch, or At risk, and the finding that changed the score.
PriceFree for 1 domain and 3 email accounts. Pro is $49 a month for 25 domains. Business is $129 a month for 75 domains. Agencies is $199 a month for 200 domains. Figures are from the pricing page.Free is 3 domains, no card. Starter is $39 a month or $390 a year for 25 domains. Agency is $129 or $1,290 for 100. Agency Pro is $249 or $2,490 for 300. Paid plans include a 14-day trial with no card. Add a card before it ends to stay on the plan. InboxRescue Audit is $149 once for one domain.

They do this, we do not

We do this, they do not

Questions

Is InboxMonitor an EmailGuard alternative?

Only for scheduled SPF, DKIM, DMARC, and blacklist checks. EmailGuard also sells placement tests, content checks, and contact verification, which InboxMonitor does not do.

Can I use both?

Yes. EmailGuard can run a placement test and a content check. InboxMonitor can watch the DNS record every day and email you if PSBL or 0spam lists an address it checks.

How is pricing different?

EmailGuard's free plan is one domain, and Pro is $49 a month for 25 domains. InboxMonitor's free plan is 3 domains, and Starter is $39 a month or $390 a year for 25 domains. The paid trial is 14 days and does not need a card.

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