Allows to send new mails or parsing messages.

If you need to create a new mail message you can use the $Messages.New method and send to recipients with Message.Send method.

If you need to convert mail message to an EML file, you can use to $Messages.CreateEML store it is a file or use $Messages.ParseEML method to convert back to mail message.

Also you can use the $Messages.GetEMLSignatureHash and $Messages.AddEMLSignature methods for digitally signing of the EML files.