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Email & Deliverability

Email header analysis, SPF/DMARC generators, blacklist checks and SMTP tests.

Email Header Analyzer Paste raw email headers and get a full breakdown of routing, authentication and delays. SPF Record Generator Build a valid SPF TXT record for your domain using a simple guided form. DMARC Record Generator Generate a properly formatted DMARC policy record for your domain. DKIM Helper Understand DKIM setup, generate DKIM key pairs and get guidance for your DNS records. MX Health Summary Run a full email health check — MX, SPF, DMARC, DKIM and blacklist status in one view. SMTP Connectivity Test Test SMTP connectivity to a mail server on port 25, 465 or 587. Blacklist Checker Check if a domain or IP address is listed on major email blacklists and spam databases.
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