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- This is a C program to do "bulk" mailing. For input, it takes a file
- of recipient addresses (one address per line) and a message (with
- headers already attached) to be sent to the recipients. It sorts the
- recipient list by reversed domain (so similar ones sort together),
- splits up the recipients into several groups containing no more than N
- domains each, creates an SMTP envelope for each group of recipients,
- and feeds that envelope to "/usr/sbin/sendmail -bs".
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