14 email tools · 5 free checks every day

Land in the inbox.
Not in spam.

Test your email's spam score, audit SPF, DKIM, DMARC and BIMI, and find blocklist problems — with plain-language fixes for every issue.

No sign-up Results in seconds EU-hosted

Every email tool in one place

Find the right check in a second — type what you need or filter by topic.

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Most popularEmail Spam TestSend a real message to your personal test address. In seconds you see how mailbox providers judge it — with a 10-point score and exact fixes.Open Most popularDomain ScannerOne click audits every email-security setting of a domain and tells you what to fix first.Open

Why mxcheck beats the usual testers

Built in 2026 for today's rules — Gmail & Yahoo bulk-sender requirements, MTA-STS, BIMI and more.

Featuremxcheck.ccTypical tester
Free tests per day53
Price per extra testfrom $0.04$0.10 – $0.50
All tools in one place, same credits
Every spam rule explained + how to fixpartly
Gmail/Yahoo one-click unsubscribe check
Gmail clipping, deceptive links, look-alike domains
MTA-STS, TLS-RPT, DANE, DNSSEC
No account needed, credits never expire

From “why is my mail in spam?” to fixed

  1. 1

    Test

    Send a real email to your test address or scan your domain.

  2. 2

    Understand

    Every finding is explained in plain words — no RFC reading required.

  3. 3

    Fix

    Copy the exact DNS record or setting we suggest, then re-test.

5 free checks every day. Then from $0.04 per check.

No subscription, no account. Credits work for every tool and never expire.

Start a spam testSee pricing