The results are in. Here are the top 10 most-clicked Exchange Server, Microsoft Outlook and Outlook Web Access (OWA) email security tips of 2007. From finding and fixing freeware and third-party antispam tools to blocking Outlook attachments and troubleshooting certificates, these were the email security topics that interested you the most in 2007.
#1
Adding self-signed root certificates to Windows mobile devices
Learn how you can avoid the cost of third-party Secure Sockets Layer (SSL) certificates by turning a self-assigned root certificate into a .CAB file that you can deploy to your Windows mobile devices.
#2
OWA 'Loading' problems with Internet Explorer security zones
Making changes to the definitions of Internet Explorer security zones can cause Outlook Web Access (OWA) to malfunction, particularly if it's done by a user who isn't well-versed in OWA's security zone setting requirements. Our expert explains how to ensure that your security zone settings are set up correctly.
#3
Symantec Mail Security for Microsoft Exchange crashes IIS
Symantec Mail Security for Microsoft Exchange can cause Internet Information Services (IIS) to crash unexpectedly. Find out how the problem manifests and how you can fix it.
#4
Reverse DNS mismatches mark Exchange email as spam
Many Internet Service Providers (ISPs) attempt to block spam using reverse DNS lookups on incoming email. This can cause problems for Exchange organizations in which DNS PTR records are incorrectly configured. Our expert provides tools and resources to help you solve these issues.
#5
SMTP greylisting problem on Exchange Server 2003 SP2
A greylisting problem on Exchange Server 2003 SP2 causes sent email to stack up in the SMTP queue and not get delivered. Discover three workarounds that fix the issue.
Freeware 'greylisting' for Exchange Server
Between blacklisting and whitelisting is a sort of interim spam-fighting strategy called 'greylisting.' In this tip, our expert explains how greylisting works and points to a freeware greylisting application available for Exchange Server environments.
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