EuropeanMX is described as 'blocks incoming spam and virus emails before they are reaching your network. With our outgoing filter you can secure your server's reputation. And last but not least we are offering encrypted cloud storage to archive all your emails' and is an app in the Security & Privacy category. There are more than 10 alternatives to EuropeanMX for a variety of platforms, including Linux, Windows, Self-Hosted solutions, Mac and Online / Web-based. The best alternative is Rspamd, which is both free and Open Source. Other great apps like EuropeanMX are BitNinja.io (Paid), SpamAssassin (Free, Open Source), Proxmox Mail Gateway (Paid, Open Source) and MailScanner (Free, Open Source).
Spam Reader is a free anti-spam add-on for Microsoft Outlook. The software uses the most reliable approach to block junk emails - Bayesian algorithm based on statistical analysis, capable to be adjusted to user's needs and detect up to 98% of spam messages.