We discovered an issue on the mime part which we ONLY got to work with version 9.4.1.0. When decrypting a mime mail object no version before !!or after!! 9.4.1.0 can decrypt our mime. Using version 9.4.1 works just like expected
Decrypt: DllDate: Dec 29 2015 ChilkatVersion: 9.5.0.55 UnlockPrefix: XXXDEUSMIME Username: --------:------- Architecture: Little Endian; 32-bit Language: .NET 2.0 VerboseLogging: 0 decryptMime: unenvelope: loadPkcs7Der: der_to_xml: (leaveContext) loadPkcs7Xml: Pkcs7_EnvelopedData: AlgorithmIdentifier_loadXml: RC2_CBC IV: K2gyn/LeD78= KeyLength: 40 (leaveContext) numRecipients: 1 RecipientInfo: IssuerAndSerialNumber: issuerCommonName: issuerCountry: XX issuerState: issuerLocality: issuerOrganization: XXX (leaveContext) AlgorithmIdentifier_loadXml: (leaveContext) encryptedKeyNumBytes: 128 (leaveContext) (leaveContext) (leaveContext) (leaveContext) unEnvelope3: unEnvelope_encrypted: findMatchingPrivateKeyFromSysCerts: numRecipientInfos: 1 certSerialNumber: 00 certIssuerCN: subjectKeyIdentifier: findPrivateKey: findCertificate: findCertB: (leaveContext) findCertBySerialAndIssuerCN: msFindMsCertBySerialAndIssuerCN: openCertStore: (leaveContext) openCertStore: (leaveContext) openCertStore: (leaveContext) openCertStore: (leaveContext) openCertStore: (leaveContext) openCertStore: (leaveContext) openCertStore: (leaveContext) openCertStore: (leaveContext) (leaveContext) (leaveContext) (leaveContext) (leaveContext) findPrivateKey: findCertificate: findCertB: (leaveContext) findCertBySerialAndIssuerCN: msFindMsCertBySerialAndIssuerCN: (leaveContext) (leaveContext) (leaveContext) (leaveContext) (leaveContext) No certificate with private key found. (leaveContext) (leaveContext) Failed to unenvelope message (leaveContext) Failed. (leaveContext) Failed. (leaveContext)