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 ...

If your server is falling victim to authentication spoofs, closing the open relay might not stop the spam. Patch your Exchange server with the latest fixes and service pack, then open up the Internet ...

Typically refers to an email server (SMTP server) that is configured to deliver any incoming mail to another mail server. In the past, open relays (open relay servers) were common, but today, most ...

We have people that travel and I've been annoyed a lot with some hotels using ISPs that block SMTP port 25 traffic. The solution is having to talk the users through changing the default SMTP 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 ...

The Open Relay Database, a tool e-mail service providers used for years to help curb the spread of spam, is ceasing operations, a death partly attributable to its own success. It was 5. For years, ...

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 ...

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 ...