private bool CheckCertPrereqs()
{
if (!Configuration.DisableCertificateChecks)
{
foreach (ADObjectId adobjectId in this.SendingAndReceivingTransportServers)
{
IExchangeCertificate exchangeCertificate = base.OnPremisesSession.GetExchangeCertificate(adobjectId.Name, this.TlsCertificateName);
if (exchangeCertificate == null)
{
throw new LocalizedException(HybridStrings.ErrorSecureMailCertificateNotFound(this.HybridConfiguration.TlsCertificateName.CertificateSubject, this.HybridConfiguration.TlsCertificateName.CertificateIssuer, adobjectId.Name));
}
if (!exchangeCertificate.Services.ToString().ToUpper().Contains(AllowedServices.SMTP.ToString()))
{
throw new LocalizedException(HybridStrings.ErrorSecureMailCertificateNoSmtp(adobjectId.Name));
}
if (exchangeCertificate.IsSelfSigned)
{
throw new LocalizedException(HybridStrings.ErrorSecureMailCertificateSelfSigned(adobjectId.Name));
}
if (exchangeCertificate.NotBefore > (DateTime)ExDateTime.Now || exchangeCertificate.NotAfter < (DateTime)ExDateTime.Now)
{
throw new LocalizedException(HybridStrings.ErrorSecureMailCertificateInvalidDate(adobjectId.Name));
}
}
}
return(true);
}