Free email check: find out why mail fails

Mail servers mark messages as spam when they cannot verify the sender, or if the domain reputation is low. Missing or incorrect SPF and DKIM records often cause these filters to block your messages because the server cannot confirm your identity. You should check if your records are valid and ensure your DMARC policy is set correctly to protect your delivery rates.

You might not receive emails if your MX records are missing, or if they point to the wrong mail provider. These records tell the internet which server handles mail for your domain, so any error here stops messages from arriving. If you recently changed your DNS settings, it can take several hours for the new records to work across the web.

These three records work together to prove that an email comes from your domain and has not been altered. SPF lists the servers allowed to send mail, but it has a limit of ten lookups that can cause errors if exceeded. DKIM adds a digital signature using specific keys, while DMARC tells receiving servers what to do if those checks fail.

You need to choose a mail provider first, then add their specific MX records to your domain DNS settings. Once those are active, you must add SPF and DKIM records to verify your identity as a sender. Most providers give you these values to copy and paste into your domain registrar dashboard, which completes the basic setup.