// DNS

TXT record

A TXT record is a free-form DNS entry used for SPF, DKIM, DMARC, and domain verification strings.

// IN PRACTICE

Most cold email setup happens in TXT records. Many providers truncate long DKIM values — split correctly or DKIM silently fails.

// RELATED TERMS

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// MORE

SPF DKIM DMARC MX record DNS propagation CNAME Warmup Pre-warmed mailbox Inbox placement Deliverability Sender reputation

// READY

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