Earthlink has been doing this for a loooong time. The reason being is that they dont want people using thier SMTP server for spamming. They prolly have it setup with mail relaying turned off, so your ...

Though users are still having trouble sending e-mail through Comcast's SMTP servers, the following settings seem to work for Microsoft Entourage and other e-mail clients: Receiving: 'Receiving account ...

A critical vulnerability in the free OpenSMTPD email server present in many Unix-based systems can be exploited to run shell commands with root privileges. The component is a free implementation of ...

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.

Microsoft announced this week plans to add official support for the DANE and DNSSEC protocols to its cloud-hosted email server offering -- known as Office 365 Exchange Online. DANE and DNSSEC are two ...