Exhange 5.5

From time to time, I get the following message(s) when checking my application logs:

Event Type: Warning
Event Source: MSExchangeMTA
Event Category: X.400 Service
Event ID: 209
Date: 6/6/2002
Time: 10:19:30 AM
User: N/A
Computer:
Description:
Global domain identifier (Country, ADMD, PRMD) in first Trace Information of message C=US;A= ;P=
L=EMAIL-SERVER-…….does not match MTSID value. [MTA XFER-IN ]

Is this something I should worry about?