Computer Weekly

Network configuration: IIS SMTP mail relay service and Microsoft Exchange Server

This list is a companion piece to the Secure Web server installation portion of SearchSecurity.com's Intrusion Defense School lesson on Web attack prevention and defense. Check out the companion ...
Ars Technica

Guide / pointers for setting up an internal-to-public authenticated SMTP relay server with postfix?

Subject does most of the work here, but I'll expand. [edit] Maybe if I had just RTFM'd harder I would've found my answers... I think this will help, but leaving the post up in case anybody else has ...
TechRepublic

Phishers taking advantage of Gmail’s SMTP relay service to impersonate brands

Since April 2022 phishing emails have been sent to Gmail users from legitimate addresses, making it hard to tell spam from legitimate sources. As the number of malware and ransomware attacks continue ...
Ars Technica

BASH script email relaying

So I'm doing a script to backup a small MySQL db. It is nothing special; stop the service, tar up /var/lib/mysql and drop it in a mounted CIFS share. It works fine. I have checks along the way to make ...
CSOonline

SMTP smuggling enables email spoofing while passing security checks

Security researchers have found inconsistencies in how some Simple Mail Transfer Protocol (SMTP) servers handle end-of-data sequences. This allows the injection of SMTP commands into email messages in ...