Resources
Free Email & Marketing Tools
No signup required. Paste your data, get your answers, and fix your issues.
Deliverability Revenue Calculator
Project what better inbox placement could be worth, using your own list size and rates.
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DMARC Report Reader
Upload your .xml, .gz, or .zip reports and get a human-readable summary of who is sending email on your behalf.
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Email Header Analyzer
Paste your raw email headers to decode authentication failures and routing issues instantly.
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Email Domain Scanner
Scan your domain's DNS records to verify your MX, SPF, and DMARC configuration instantly.
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SPF Lookup Checker
Count the real DNS lookups in your SPF record. Go over 10 and SPF fails silently, as if you had no record at all.
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SPF & DMARC Generator
Instantly generate flawless DNS syntax for your SPF and DMARC records. Stop guessing and prevent your emails from bouncing.
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Domain Age Checker
Find out exactly how old a domain is. New domains are heavily penalized by spam filters.
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Spam Word Checker
Flags the copy patterns that genuinely hurt placement — and the "spam words" you can safely ignore.
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Domain Blacklist Checker
Check your domain or IP against major blocklists, grouped by delivery impact — see which listings matter and which you can ignore.
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