I am looking into a low cost resolution to attachment filtering and content filtering of email coming in and going out of our Exhange server. I am pretty familiar with Linux and this get a Linux box ...

Security researchers have discovered a new critical vulnerability in the OpenSMTPD email server. An attacker could exploit it remotely to run shell commands as root on the underlying operating system.

The Linux-based ELF backdoor is targeting cloud workloads across providers, using SMTP-based C2 and typosquatted Alibaba domains to harvest credentials and metadata. China-aligned hackers have ...