Ars Technica

Mail Server Open Relay Lists

I've noticed that my mail server is showing up in some of the open relay databases on occassion. <BR><BR>Sometimes when I send mail from my work account to my home account, my spam filter catches it ...
Network World

Closing open relay on Microsoft Exchange Server

We're having problems with open relay on Microsoft Exchange Server 2000. We tried to shut down SMTP, clean out queues, turn off relaying, etc., but nothing worked. For a quick fix, we set up a ...
Ars Technica

Mail Server Seurity Question: Preventing Open Relay

I have a mail server up and running using Postfix. <P>I know that open realys are very bad news, however I have NO idea where my users will be logging into this from. They will not all be in a close ...
TechRepublic

Prevent open relays on Exchange Server

Open mail relays—e-mail servers that allow third-party transmission of messages—are a significant contributing factor to the volume of unsolicited e-mail currently flying around the Internet. Spammers ...
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 ...