<shameless plug>
i just posted my code for doin a verry similar thing, but using Mail::Bulkmail, MIME::Lite, and multiple servers for speed. (74k emails in 23 minutes with 3 servers) you might want to check it out here:
forking/envleloping/Mulipart Mime Newsletter Mailer
supports mutiple lists of addys and subject files as well as multipart mime attachments etc.. etc.. </shameless plug>

In reply to Re: Sending HTML Mail by yodabjorn
in thread Sending HTML Mail by neilwatson

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