Free Tools.

Build a professional HTML email signature in minutes. Choose from three templates, customize your branding, and copy the code directly into your email client, free.

Analyse your cold email template for spam signals, typos, grammar, link density, capitalisation, and structure, instant and free.

Check if your domain or IP is listed on any of the 21 most common email blacklists. Instant results, completely free.

Audit SPF, DKIM, DMARC, MX, and BIMI for any domain in one click. Catches lookup overflow, weak DKIM keys, missing DMARC, and more.

Generate a valid SPF TXT record for your domain in seconds. Select your email providers, set your enforcement policy, and get a copy-paste DNS record, free.

Set your DMARC policy, configure aggregate reporting, and get a copy-paste DNS record in seconds. Choose none, quarantine, or reject, free.

Format your DKIM public key into a ready-to-publish DNS TXT record. Enter your selector, paste your public key, and copy the record, free.