in Exchange 2013, to bypass content filter for a domain, use this commnad:
>Set-ContentFilterConfig -BypassedSenderDomains @{Add=”domain.com”}
the command to see if is correctly added:
>Get-ContentFilterConfig
RunspaceId : 8ac5b14d-ece0-4226-a8a7-c5bd9ebc98a9
Name : ContentFilterConfig
RejectionResponse : Message rejected as spam by Content Filtering.
OutlookEmailPostmarkValidationEnabled : True
BypassedRecipients : {}
QuarantineMailbox :
SCLRejectThreshold : 7
SCLRejectEnabled : True
SCLDeleteThreshold : 9
SCLDeleteEnabled : False
SCLQuarantineThreshold : 9
SCLQuarantineEnabled : False
BypassedSenders : {sheila.cayero@domain.com}
BypassedSenderDomains : {domain.com}
Enabled : True
ExternalMailEnabled : True
InternalMailEnabled : False
AdminDisplayName :
ExchangeVersion : 0.1 (8.0.535.0)
DistinguishedName : CN=ContentFilterConfig,CN=Message Hygiene,CN=Transport
Settings,CN=P——,CN=Microsoft
Exchange,CN=Services,CN=Configuration,DC=p—-,DC=local
Identity : ContentFilterConfig
Guid : 83ecbc9b-1c45-470b-ab7f-6f9a4d756130
ObjectCategory : p—-.local/Configuration/Schema/ms-Exch-Message-Hygiene-Content-Filter-Con
fig
ObjectClass : {top, msExchAgent, msExchMessageHygieneContentFilterConfig}
WhenChanged : 13/03/2015 9:35:53
WhenCreated : 07/03/2014 13:07:04
WhenChangedUTC : 13/03/2015 8:35:53
WhenCreatedUTC : 07/03/2014 12:07:04
OrganizationId :
OriginatingServer : SERVER2K12.p—-.local
IsValid : True
ObjectState : Unchanged