Exchange Server

Combating Spam with Greylisting

by Daniel Petri

Greylisting is quickly emerging as the new weapon that can be effectively used to fight against spam. Greylisting is somewhat related to whitelisting and blacklisting, but instead of specifying who is on your white or black lists, Greylisting works in a different way. Each time a mailbox receives an e-mail from an unknown contact, that… Read More

Configure ISA to Publish OWA

by Daniel Petri

How can I configure Internet Security and Acceleration Server to publish OWA on an Internal Exchange Server? The ISA Server allows for traditional mail server protocols (SMTP, POP3, IMAP4, and so on) to be published easily under the Server Publishing Rules node. However, no ISA Server wizard automates publishing an internal mail server that allows… Read More

Petri Newsletter Sign-up
Tech Tuesday

Subscribe to Tech Tuesday, the latest insights from Petri.com for IT Pros.

    See All Petri Newsletters

    Block Spam with Exchange 2003 Intelligent Message Filter

    with 8 Comments by Daniel Petri

    How can I configure Exchange 2003 to block unsolicited commercial e-mail (spam) with Intelligent Message Filter? Microsoft Exchange Intelligent Message Filter is a product developed by Microsoft to help companies reduce the amount of unsolicited commercial e-mail (UCE), or spam, received by users. Intelligent Message Filter is based on Microsoft SmartScreen Technology from Microsoft Research.… Read More

    Configure Message Security in Outlook 2003

    by Daniel Petri

    How can I configure e-mail and message security in Outlook 2003? After installing the online Certificate Authority (CA) and after obtaining a user Digital Certificate signed by your CA you will now need to configure Outlook 2003 to use the new message security features. These features include: Message encryption Message signing Note: Before being able… Read More