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 ...

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 ...

Microsoft Outlook receives and delivers messages over a mail server, a remote computer that acts as a Web-based post office. Email providers such as Yahoo, Google and Hotmail host these servers to ...

Phishers taking advantage of Gmail’s SMTP relay service to impersonate brands Your email has been sent As the number of malware and ransomware attacks continue to become more prevalent, cybersecurity ...

Many users have reported to be getting a long error message saying: Send test e-mail message: The connection to the server was interrupted. If the problem continues ...

Email: It's been around for decades, and people are still confused about how it works--and for good reason. Setting up and troubleshooting an email account can be an irritating venture. Recently, we ...

Some Outlook users have reported that they are unable to send email from the app as when doing the same, they receive Error 503 stating that the Valid RCPT command ...