Unable to add email addresses containing a period "." into Trusted Domains or Users under Policies > Exceptions within the Symantec Mail Security for Microsoft Exchange (SMSMSE) user interface console.
Last Updated June 27, 2014
In Symantec Mail Security for Microsoft Exchange (SMSMSE) the option Trusted Domains or Users under Policies>Exceptions which allows you to exclude specific users generates an error when attempting to Deploy changes after adding a user containing a period before the @ symbol.
Trusted Domains or Users: At least one email or domain address should be specified. All the specified addresses must be valid.
There is an issue with Symantec Mail Security for Microsoft Exchange 184.108.40.206 which disallows the usage of a period "." in an email address within Trusted Domains or Users.