Fortunately most use of Exim will not be using its filtering I expect, and that's what this does - it's bypassing it's ability to content filter attachments based on MIME information (so blocking ...

Update January 03, 10:23 EST: Shadowserver has suspended the IMAP and POP3 TLS reports because of potential false positives. Over three million POP3 and IMAP mail servers without TLS encryption are ...

A North Korean hacking collective is exploiting poorly configured email servers to attack academic institutions, think tanks, journalists, and nonprofit organizations, U.S. agencies warned Thursday.

Attackers are actively exploiting a critical vulnerability in mail servers sold by Zimbra in an attempt to remotely execute malicious commands that install a backdoor, researchers warn. The ...