Thank you for considering Aspose.Email.
Could you please elaborate your requirements a bit more whether you require this feature in Aspose.Email for Cloud or Aspose.Email for .NET? I would like to share with you that at present, Aspose.Email for Cloud supports only features as mentioned in the Programmer’s Guide
section of our online documentation. Once you confirm to us about your requirements, we shall look into it further and forward your request for implementation to our development team.