Deliverability & DNS
SPF, DKIM, DMARC setup guides, DNS record configuration, inbox placement troubleshooting, and deliverability monitoring for self-hosted email.
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Domain Reputation: Build, Drop, and Recover | TrekMail
Your domain has a reputation score with every major inbox provider. Cross 0.3% spam complaints and you're blocked. Here's how domain reputation works, what destroys it, and the exact recovery protocol.