Steps to configure single sign-on for Mimecast:

  1. Log in to Zoho Vault as an administrator.
  2. Navigate to Apps > Manage Apps > Add Supported App.
  3. Search for and select Mimecast.
  4. Enter the Account ID in the Application Settings page and click Next.
  5. Copy the Zoho Vault details or download the details as a metadata file by clicking the Download MetaData File option.
  6. Click Next.
  7. Select which users will have single sign-on permissions for Mimecast. You can revoke user access at any time.
  8. Click Save. 

Mimecast configuration steps:

  1. Log in to Mimecast as an administrator.
  2. Navigate to Mimecast Administration Console.
  3. Paste the certificate, login URL, and logout URL copied from the Zoho Vault IdP details page.The username in Zoho Vault and Mimecast must be the same. 
  4. Click Save. It usually takes fifteen minutes for Mimecast to apply the configuration.