Field notes from Yasen Katevski

Lead Generation

Articles on lead generation for recruiting and staffing agencies.

13 in-depth articles
5 topics covered
121 min of reading
Written by a practitioner

Lead Generation

SPF, DKIM and DMARC Explained for Small Businesses

SPF, DKIM and DMARC explained for small businesses: what each record does, how to set them up in the right order, and how to avoid common mistakes.

Nov 3, 2026 8 minRead

Lead Generation

How to Write a Cold Email That Gets Replies

How to write a cold email that gets replies: pick the right list, write a short message, make a low-effort ask, follow up, and protect deliverability.

Nov 1, 2026 9 minRead

Lead Generation

Lead Generation for Service Businesses: Eight Channels Compared

Lead generation for service businesses: eight channels compared on speed, cost, scale and risk, with a simple way to choose a mix and track what works.

Oct 31, 2026 10 minRead

Written by

Yasen Katevski - Founder, Coreflow

Yasen builds automation systems for operations-heavy businesses, including recruitment agencies, and writes about what works and what breaks.