Ziemek Bućko

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

Product

Three Ways To Use Hunter's Dynamic Lists

Dynamic lead lists make your outbound motion organized. Dynamic lists make it easier to run evergreen outreach: cold emails campaigns where the content doesn’t change much, and you want to send them to all qualified leads as soon as you identify them.

Ziemek Bućko • 24 June 2025

Outreach

What We Learned From Running a Cold Email Competition

Messaging Madness 2025 has concluded. For a month, we voted on what makes a good cold email, comparing the incomparable and trying to capture the essence of relevant messaging.

Ziemek Bućko • 20 May 2025

Outreach

How To Send Cold Emails With AI

AI is very useful in cold outreach, and its usefulness goes far beyond email copywriting. This article shares some innovative methods of using AI for cold email.

Ziemek Bućko • 12 May 2025

Outreach

How To Turn an Underperforming Campaign Into 10 Good Ones

In 2025, mediocre outreach doesn’t get you mediocre results. It gets you no results. And efficient segmentation helps go beyond mediocre messaging.

Ziemek Bućko • 25 April 2025