SMTP Windows Service

We are seeking an experienced .NET developer to develop a very small Windows Service in VB.NET or C#. The Windows Service needs to: 1) Listen for incoming email messages on Port 25 2) Save each email message that is received on to the computer's hard drive, as a text file. 3) Allow for the directory where emails are stored to be changed by us (via an INI file). The application must be reliable and without memory leaks. If possible, we would like for it to be multithreaded for better performance. Thank you in advance for you bid. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform The application will need to run on Windows Server (all versions).