I'm tasked with sending some notifications from an AWS server (which is not static IP, and thus can't be used as an SMTP server because it just gets blacklisted) so I basically need a free SMTP ...

Do you have some kind of intrusion detection with active blocking running on the network? Are connections to the SMTP server restricted (in the properties of the SMTP service)?

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 ...

An SMTP service installs by default as part of Windows 2000 server products and as part of the Internet Mail Connector (IMC) for Microsoft Exchange Server 5.5. (The IMC, also known as the Microsoft ...

Part 6 of a six-part article: Just because you checked a few boxes on your Microsoft Exchange Server does not mean that there is secure TLS encryption between your domain and another SMTP server that ...

Microsoft Corp. Thursday night issued a fix to patch a new vulnerability that could give an attacker user-level privileges on Windows 2000 systems running its Simple Mail Transfer Protocol (SMTP) ...

Multiple hosted, outbound simple mail transfer protocol (SMTP) servers are vulnerable to email impersonation. This allows authenticated users and certain trusted networks to send emails containing ...