Outreach Why You Need to A/B Test Your Email Outreach A/B testing is a simple concept: you test two (or more) variants of a variable against each other to figure out which yields the best results. Ziemek Bućko • 31 March 2026
Outreach A Salesperson's Guide to Email Outreach for Sales If you’re a salesperson or a founder and you want to use email outreach for sales, this guide will get you from zero to competent. It covers everything from the technical basics to finding prospects to writing and sending sales emails that get positive replies. Ziemek Bućko • 25 March 2026
Outreach How Expensive is Email Outreach? What goes into the cost of email outreach? And how to calculate the monthly cost based on how many people you want to contact? Ziemek Bućko • 05 March 2026
Outreach A Complete Guide to Email Deliverability Find out what affects email deliverability and follow the tips to improve it. Ziemek Bućko • 04 March 2026
Outreach The Problem of Balancing Width and Depth in Email Outreach Knowing that targeting fewer recipients with your outreach helps stay more relevant, how can you still reach out to as many people as possible without it taking forever? Ziemek Bućko • 09 February 2026
Growth Is HTML Harming Your Cold Email Deliverability? Our internal data shows that HTML cold emails bounce 674% more than plain text. Ziemek Bućko • 08 January 2026
Product How Hunter’s New Profile-Level Filters Help You Run Efficient Outreach The new prospect-level filters and automatic lead saving unlock multiple new use cases for Hunter users. Ziemek Bućko • 25 September 2025