Chilkat smtpQ is a companion product that works with each of Chilkat's email components and runs as a Windows Service. Each of the Chilkat email components now has a method, SendQ, that dramatically increases sending performance by queuing emails directly to the smtpQ's queue directory for immediate delivery. Chilkat SMTPQ is sold bundled with Chilkat Mail / WebMail / Email.NET and Email VC++. The price for Chilkat SMTPQ is effectively $85 as part of the bundle.