I have been using this tool for quite some time now, since my first search in this platform I found that it's one of best software available in market with great features & tools. The customer support is also very helpful & their techies are always there when you need them. Sometimes they charge a little bit extra but its worth paying as they give many additional free services which help me improve. It has helped me get rid of spam emails from various sources like Facebook ads etc. This software is a must-have if your inbox fills up quickly. It is very user-friendly, easy & quick solution for bulk marketing related task in my organization which includes managing various types of newsletters as well other promotional materials like postcards etc.,It's free service also so it has no cost involved while using this software tool or services by them I would say its great features that have been integrated with all major mail clients suchas Outlook/Outlook 365 (Hotmail), Gmail(GMAIL) Yahoo! Mail etc..