The document discusses Sanook Mail System and its objectives to resolve issues with their existing email delivery system. It introduces Sanook Virtual SMTP (VSMTP) which will address problems with capacity, blacklisting, and ease of use by utilizing Google App Engine and allowing groups within Sanook to send emails through various email addresses while staying within allocated quotas. It provides details on how VSMTP will work and integrate with Sanook's email newsletter and CRM systems. Pricing and quotas per group are also outlined.