S/MIME Config attributes
As soon as you select Organization Configuration Transfer in the Hybrid Configuration Wizard, the following S/MIME Config attributes are copied from the on-premises Exchange organization to Exchange Online:
| SMIMEConfig | Available In |
|---|---|
| Identity | Exchange 2010, 2013, 2016, 2019 |
| Name | Exchange 2010, 2013, 2016, 2019 |
| OWACheckCRLOnSend | Exchange 2010, 2013, 2016, 2019 |
| OWADLExpansionTimeout | Exchange 2010, 2013, 2016, 2019 |
| OWAUseSecondaryProxiesWhenFindingCertificates | Exchange 2010, 2013, 2016, 2019 |
| OWACRLConnectionTimeout | Exchange 2010, 2013, 2016, 2019 |
| OWACRLRetrievalTimeout | Exchange 2010, 2013, 2016, 2019 |
| OWADisableCRLCheck | Exchange 2010, 2013, 2016, 2019 |
| OWAAlwaysSign | Exchange 2010, 2013, 2016, 2019 |
| OWAAlwaysEncrypt | Exchange 2010, 2013, 2016, 2019 |
| OWAClearSign | Exchange 2010, 2013, 2016, 2019 |
| OWAIncludeCertificateChainWithoutRootCertificate | Exchange 2010, 2013, 2016, 2019 |
| OWAIncludeCertificateChainAndRootCertificate | Exchange 2010, 2013, 2016, 2019 |
| OWAEncryptTemporaryBuffers | Exchange 2010, 2013, 2016, 2019 |
| OWASignedEmailCertificateInclusion | Exchange 2010, 2013, 2016, 2019 |
| OWABCCEncryptedEmailForking | Exchange 2010, 2013, 2016, 2019 |
| OWAIncludeSMIMECapabilitiesInMessage | Exchange 2010, 2013, 2016, 2019 |
| OWACopyRecipientHeaders | Exchange 2010, 2013, 2016, 2019 |
| OWAOnlyUseSmartCard | Exchange 2010, 2013, 2016, 2019 |
| OWATripleWrapSignedEncryptedMail | Exchange 2010, 2013, 2016, 2019 |
| OWAUseKeyIdentifier | Exchange 2010, 2013, 2016, 2019 |
| OWAEncryptionAlgorithms | Exchange 2010, 2013, 2016, 2019 |
| OWASigningAlgorithms | Exchange 2010, 2013, 2016, 2019 |
| OWAForceSMIMEClientUpgrade | Exchange 2010, 2013, 2016, 2019 |
| OWASenderCertificateAttributesToDisplay | Exchange 2010, 2013, 2016, 2019 |
| OWAAllowUserChoiceOfSigningCertificate | Exchange 2010, 2013, 2016, 2019 |