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 ...

Exchane Server 是由微软公司开发的一套商业软件，在5.0 版本和以前版本可以relay任何邮件,没有解决办法。如果你使用的是5.5以前的版本，您需要升级到5.5版本。 从5.5 版本（Service Pack 2) 开始加入了控制 open relay 的功能。具体操作方法如下： 1>在下面的选项中选择第 ...

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 ...

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 ...

I once new a way of checking for an open relay by telneting into port 25 on the smtp server. I have since forgotten. Can anyone reffresh my memory as I dont want to leave my mail server open to ...

Subject does most of the work here, but I'll expand. [edit] Maybe if I had just RTFM'd harder I would've found my answers... I think this will help, but leaving the post up in case anybody else has ...

A controversial list that helps e-mail administrators block traffic from spam-friendly servers has now passed to a third generation of volunteer activists after a second-generation operator was ...

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 ...