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MXValidation

MXValidation

mxvalidation.comDR 0 Accessible 300 views

SEO Tools MXValidation is a free online tool that tests email authentication, spam signals, DNS configuration and technical deliverability.

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Site introduction

MXValidation positions itself as a diagnostic layer for email deliverability rather than a sending platform. Instead of asking you to configure records blindly, it evaluates a real message sent to a unique test address and reports how authentication, DNS and spam-related signals combine into an overall score. The approach mirrors what mailbox providers actually inspect, which makes the results easier to act on than a static checklist.

The core report covers SPF, DKIM and DMARC authentication results alongside DNS and technical checks, flagging failed or unknown items and explaining how to correct them. Beyond the main test, a suite of standalone tools handles SPF, DKIM, DMARC, BIMI, MX, MTA-STS and TLS-RPT records, plus an IP blacklist checker and an EML/EMLX viewer for inspecting raw messages.

It suits email marketers, deliverability consultants, developers and IT administrators who suspect inbox placement problems or who are setting up a new sending domain. Agencies auditing client domains and small teams without dedicated deliverability staff can use it as a quick health check before a campaign.

Usage is straightforward: copy the generated address, send a message from the platform you want to test, then review the score and fix the failed checks in order of impact. Guest reports stay available for 14 days and the address is valid for 24 hours, so avoid sending confidential content. A verified free account raises the limit to 20 tests per rolling 24 hours.

Overall, MXVa

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