B2B sales and outbound glossary

Plain-English definitions of the B2B sales, cold email and CRM terms that matter, with examples and formulas.

Cold EmailWhat Is Email Warm-Up and How Long Does It Take? (With a Day-by-Day Schedule)

Email warm-up explained: what it is, how long a new inbox and domain need, a day-by-day ramp schedule, and what Google's sender guidelines actually…

Lead GenerationWhat Is an SDR? Role, Day-to-Day, Salary Ranges (2026) and SDR vs BDR

SDR meaning in one line, what a sales development rep does all day, 2026 salary ranges for the US, UK and India, SDR vs BDR vs AE, and the metrics…

Cold EmailWhat Is DMARC? SPF, DKIM and DMARC Explained for Cold Email

DMARC explained in plain English: how SPF, DKIM and DMARC fit together, how to read a DMARC record tag by tag, and the alignment trap that hurts cold…

By Subhendu J Shawn. See also the quick answers and free tools.

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