Do you mean Anonymous access on the Authentication tab of the Access properties on the SMTP virtual server? If so, you NEED that enabled so anyone can send mail TO you, that is NOT making the system ...

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 ...

Exchange 5.5, had an open relay. Applied SP, some hotfixes, closed up the relay. But now internal Mac clients cant send email. How can I configure exchange to relay internally, but not from external ...

The Open Relay Data Base (ORDB) was started in 2001 as a means of combating spam. The database did what its name implies – it listed open relays on the Internet that could be used by spammers to send ...