claude-email-marketing-skill

Emails land in spam due to shared IP reputation issues, missing DMARC records, or engagement-based filtering. Verify SPF, DKIM, and DMARC authentication with dig commands, warm your IP gradually, and suppress chronically unengaged subscribers to rebuild sender reputation.

Add a TXT record for SPF listing authorized senders, publish the DKIM public key under your selector subdomain, and create a DMARC record at _dmarc.yourdomain.com starting with p=none for monitoring. Validate each record using dig commands before enforcing stricter DMARC policies.

Klaviyo suits ecommerce-native needs with strong abandoned cart flows, Drip focuses on automation and personalization, and ActiveCampaign offers solid features at lower cost. Evaluate using a five-factor framework covering your list size, budget, and personalization requirements.

Apple Mail Privacy Protection pre-loads tracking images, making opens unreliable as an engagement metric. Focus on clicks, conversions, and reply rates instead, and segment out Apple Mail users to establish an accurate performance baseline.

CAN-SPAM requires a physical address and unsubscribe link for US recipients, GDPR requires explicit consent for EU recipients, CASL requires express consent in Canada, and CCPA grants California residents opt-out rights. Every marketing email must include a working unsubscribe link.