After upgrading from Symantec Messaging Gateway (SMG) 10.7.3-5 to version 10.7.4-13, the logs record error messages but sends and receives emails as expected.
Date: Thursday, 17 Dec, 2020 06:00:11 PM MSK
Log type: MTA
The error is triggered when the underlying memory management libraries detect an unexpected function call. It is most likely the result of inefficient code, rather than a true error.
Release : 10.7.4
Component : SMG
SMG Engineering has reviewed this issue and believe this error can be safely ignored. We are continuing to investigate and the issue will be addressed at a later date.