Monitor unlimited number of servers
Filter log events
Create email and web-based reports

Direct access to Microsoft articles
Customized keywords for major search engines
Access to premium content

Event ID: 2091 Source: MSExchangeIS

Source
Level
Description
A message deliver to public folder store "First Storage Group\Public Folder Store (<server name>)" with message class REPORT.IPM.NOTE.NDR is being dropped.
Comments
 
Message class IPM.POST - M960993 indicates that this may be recorded on Exchange 2003 if one of the posted messages of the same replication message includes uncompressed Rich Text Format (RTF) body in the PR_RTF_COMPRESSED property. A hotfix is available.
As per Microsoft: "If a user sends mail to the address of the public information store, the information store drops the message and SMTP sends an NDR (non-delivery receipt)". See MSEX2K3DB for more details.

Windows Event Log Analysis Splunk App

Build a great reporting interface using Splunk, one of the leaders in the Security Information and Event Management (SIEM) field, linking the collected Windows events to www.eventid.net.

Read more...

 

Cisco ASA Log Analyzer Splunk App

Obtain enhanced visibility into Cisco ASA firewall logs using the free Firegen for Cisco ASA Splunk App. Take advantage of dashboards built to optimize the threat analysis process.

Read more...