Blat

Enables you to send quick mail messages directly from the command line. It will allow you to attach files to your message. For example, using 'blat - -t destid@xyz.com -s 'test' -attach abc.zip -attach def.zip' will accept keyboard input for a mail message, and send that text with 2 zip files attached! Message text can come from a file as well. Supports MIME quoted-printable and base64 encoding.Information about your mail id & server is stored in the registry, or can be over-ridden on the command line. Excellent for batch files. Includes source.