I am responsible for a windows network with an Exchange 2010 server. It appears that we haven't been receiving twitter emails for quite sometime, maybe even as far back as just before Halloween/November. Does anybody know how one would properly whitelist Twitter or check emails that were bounced directly? Here's part of a Mark from PowerShell (this doesn't work):
[PS] C:\Windows\system32>Get-ContentFilterConfig
Name : ContentFilterConfig
RejectionResponse : Message rejected as spam by Content Filtering.
OutlookEmailPostmarkValidationEnabled : True
BypassedRecipients : {}
QuarantineMailbox :
SCLRejectThreshold : 7
SCLRejectEnabled : False
SCLDeleteThreshold : 9
SCLDeleteEnabled : False
SCLQuarantineThreshold : 9
SCLQuarantineEnabled : False
BypassedSenders : {}
BypassedSenderDomains : {twitter.com}
Enabled : True
ExternalMailEnabled : True
InternalMailEnabled : False
ExchangeVersion : 0.1 (8.0.535.0)
Identity : ContentFilterConfig
ObjectCategory : private.local/Configuration/Schema/ms-Exch-Message-Hygiene-Content-Filter-Config
ObjectClass : {top, msExchAgent, msExchMessageHygieneContentFilterConfig}
WhenChanged : 1/8/2014 8:53:15 AM
WhenCreated : 9/27/2011 8:48:45 PM
WhenChangedUTC : 1/8/2014 1:53:15 PM
WhenCreatedUTC : 9/28/2011 12:48:45 AM
IsValid : True