Do the Symantec Mail Security products work with daylight saving time (DST)?
Symantec Mail Security products obtain time information in one of three ways:
As long as the operating system, JRE, or the appliance software are updated to support DST, the Mail Security products work correctly with DST.
Products that obtain time from the operating system
Please refer to the following for operating system/platform updates or information
Products that obtain time from JRE
Refer to the following for JRE updates or information
Products that require software updates
Leap Second adjustments are made to UTC (Coordinated Universal Time) to synchronize it with changes in the earth's rotation. These changes may occur twice per year and do not affect the accurate performance of any version of Mail Security, Brightmail AntiSpam, or the Mail Security Appliances.