SMS SMTP and Brightmail Gateway products unaffected by the addition of a leap second

Article:TECH90465  |  Created: 2008-01-08  |  Updated: 2012-02-21  |  Article URL
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Technical Solution




With the exception of a minor issue in displaying log events that occurred during the leap second (KB 2008100110485354) there are no known issues with the operation of either the SMS for SMTP or Brightmail Gateway products resulting from the insertion of a leap second. In most cases, internal date/time tracking is based on the epoch time rather than a date string generated by the operating system. Additionally, there were no reported issues with SMS for SMTP or the Brightmail Gateway Appliance (then SMS 8200) following the insertion of the last leap second at the end of 2005.

Customers who are using NTP and who are concerned regarding interactions between the leap second and SMS for SMTP or the Brightmail Gateway should disable NTP time synchronization prior to 12/31/2008 11:00 pm and re-enable time syncronization following the roll over to the new year. This will cause the leap second to not be inserted as "12/31/2008 11:59:60" but will slew the system clock appropriately once time synchronization is re-enabled.



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