DKIM and HSM in OCI (GEN 2) environments from 22.10 release notes
Please find below statement from 22.10 release notes:-
ALL ENCRYPTION KEYS STORED IN HARDWARE SECURITY MODULE IN OCI (GEN 2) ENVIRONMENTS
In OCI (Gen 2) environments, all encryption master keys including the following, are stored in Hardware Security Module (HSM):
Transparent Data Encryption (TDE) master key for database encryption. Block Volume Encryption master key for file system encryption. Object Storage Encryption master key for encryption of artifact snapshots
Business Benefit: Storing encryption keys in HSM satisfies the strong cloud governance requirements.
DKIM SUPPORT FOR EPM CLOUD OCI (GEN 2) ENVIRONMENTS
EPM Cloud on OCI (Gen 2) environments supports DKIM (DomainKeys Identified Mail) for outgoing messages.