I’m personally getting a lot of Junk emails, one of the reasons is having a few LLC companies. A lot of other companies are trying to fix some issues (that don’t exist) or offer some services (that I don’t need).
United States
Mailborder Alternatives
Mailborder is described as 'A Linux based email gateway that filters email for viruses, spam, malware, phishing, and other threats. Works with any email server and any email provider such as Office 365' and is a Anti-Spam tool in the security & privacy category. There are more than 10 alternatives to Mailborder for a variety of platforms, including Linux, Self-Hosted, SaaS, Windows and Mac apps. The best Mailborder alternative is SpamAssassin, which is both free and Open Source. Other great apps like Mailborder are Proxmox Mail Gateway, MailScanner, Rspamd and Scrollout F1.