The Artfiles mail system

Our incoming mail servers use effective pre-filtering to ensure that the majority of incoming spam is blocked before it reaches our central mail systems. This ensures high-performance and reliable processing of the desired mail traffic and creates the basis for subsequent content-based filtering.

After upstream protection mechanisms, incoming emails are analyzed by Rspamd as an integral part of our mail system to detect spam and phishing attempts. Rspamd evaluates messages based on a wide range of criteria, including message content, header information, sender reputation, and technical checks (e.g. SPF, DKIM, DMARC). The results are combined into a transparent score, which determines whether an email is marked, moved to the spam folder, or rejected.

Since the type and volume of spam, as well as requirements for email filtering, vary between users, you can adjust the sensitivity of spam detection to suit your needs. Via the DCP, predefined levels such as low, standard, and high are available. In addition, blacklists and whitelists can be maintained to further refine filtering behavior.

All incoming emails are scanned by ClamAV for malware by default. Detected viruses or malicious attachments are reliably removed before delivery, preventing these emails from reaching your systems in the first place. This approach significantly enhances the overall security of the mail system and helps reduce risks in day-to-day operations.