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Note on programming a mail client

The first reason I wrote the command line mail client mailclt was for Windows 9x and NT 4. There was a need for such a tool to send reports or log files as emails. If you already know socket programming, then the difficult part for writing such a tool is how to make it adapt with RFCs. This command line utility supports: - multiple receivers - returning receipts either from server or ffrom client - attached file as MIME-64 format

This tool is now ported to Unix for Linux, Sco and Solaris x86.

1 How SMTP works

2 How MIME-64 works

3 How Return-Receipt works