Best Anti-Spam Software for Postfix

Combat ransomware, spam, phishing, and various other cyber threats targeting small to medium-sized businesses, enterprises, healthcare organizations, as well as government agencies and contractors. With API-level integration available for platforms such as Microsoft Office 365 & GCC High, Google Workplace, and other email service providers, MailRoute effectively mitigates email-related attacks aimed at compromising your sensitive information and systems. Our solution offers economical, multi-layered defense mechanisms tailored to meet CMMC, NIST 800-171, HIPAA, DFARS compliance, and is accepted by DISA for email security. Designed with no single point of failure, our fully owned infrastructure features geo-distributed data centers equipped with redundant network connections, power supplies, and cooling systems, ensuring an impressive uptime of 99.999%. MailRoute also thwarts email forgeries and spoofing attempts by utilizing advanced email authentication techniques alongside managed DNS modifications. Through continuous management and updates of your email network security, we guard against cyber threats and minimize risks such as operational downtime, thus promoting both cost predictability and service reliability. Our commitment to maintaining robust email security measures demonstrates our dedication to safeguarding your digital assets against evolving cyber threats.

Raptor Email Security, an MX-based email security system, was designed by industry experts to prevent spam, phishing and malware attacks. It uses a unique scoring framework, multiple technologies, including ClamAV, MIMEDefang and Sendmail. Our spam experts will take care of the annoying spam! Zero Spam. Zero Tickets. 2X Resources. Your email will go through our servers. This ensures that your server is protected from the majority of cyber attacks. You can increase your hosting revenue by adding more hosting accounts and monetize your server with less resource consumption. Raptor Email Security comes with Raptor Review, which provides an expert analysis of your email configuration. It is a white glove service that provides a phishing hotline to help you fix any email problems, including blocking spam, improving deliveryability, identifying scams and finding missing emails. It takes only minutes to set up. Get a free trial for 30 days!

Rspamd was developed to manage the significant increase in mail flows over the past decade, which has surged by more than tenfold. From its inception, the project has targeted high-traffic mail systems, prioritizing speed and performance in its development. Written in the C programming language, Rspamd employs various methods to ensure rapid operation, particularly on contemporary hardware. Remarkably, it can also function effectively on embedded devices with limited resources. For a clearer understanding of its impressive speed, you can refer to a recent performance analysis article. Rspamd serves as a more efficient alternative to the SpamAssassin mail filter, capable of scanning ten times the number of messages with the same set of rules through the use of a SpamAssassin plugin. A graph illustrating the transition from SpamAssassin to Rspamd demonstrates a notable reduction in CPU load on scanning machines. Additionally, Rspamd is compatible with well-known mail transfer agents, including Postfix, Exim, Sendmail, and Haraka, making it a versatile choice for various email systems. This flexibility in compatibility allows organizations to seamlessly integrate Rspamd into their existing infrastructure.