UtilStudio, s.r.o.

A bulk email marketing software that offers automated unsubscription option for receivers, an email editor with pre-designed templates, email address import, block list, and antispam checking features.

This software facilitates the sending of bulk marketing emails with built-in automation for unsubscribing from the recipient list. It has an email editor that can incorporate customizable templates and import contacts. The software features a block list and antispam checker to ensure successful delivery.