Professional Newsletter Software and Bulk Mailer

We are looking to hire for the development of bulk newsletter email sender application basically in C or C++ or C# for windows platform. [01] SMTP email engine - SMTP mail server / ESMTP, SSL, StartTLS, Pop. [02] Direct send ability - Send without SMTP server, bypass local ISP's mail server. [03] Built-in WYSIWYG - email message editor / Rich-Text (HTML) MIME format / alternate Plain-Text part with custom charset and build in newsletter templates. [04] Import html files, add inline images and file attachments, [05] Subscribe and Remove - processing of user subscribe/remove requests. [06] Import Subscribers - from MS Excel, MS Access, Text (csv) or ODBC (MS SQL or MySql) with no duplicate emails. [07] Export Subscribers - to MS Excel, MS Access, Text (csv). [08] Blacklist Filter - allows ignore/filter individual emails, domains and substrings. [09] Supports custom Fields - Name, Email etc. [10] Newsletter Statistics - Click, View, Geo map etc. [11] Single and Double Opt-in (optional) [12] Multi-threaded delivery [13] HTML form Generator - website subscribers [14] Bounce Returned Mails - Customizable Returned Bounce Mail Detection [15] Send / Resume support [16] Application should be avoid to be blacklisted. Application should compatible with System Pentium IV 1.0 GHZ CPU / 512 MB RAM Windows 2000/XP/Server 2004/2008/Vista (32 and 64 Bit) and Windows 7 (32 and 64 Bit) Please contact serious and responsible people. We thank you in advance and welcome. Best regards, Nasir