Don't know anything about automating Eudora or even if it is possible, but
the method the article "Mail Merge to E-mail with Attachments" at
http://word.mvps.org/FAQs/MailMerge/MergeWithAttachments.htm
works (It saves me hours of work each day)

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Please respond to the Newsgroup for the benefit of others who may be
interested. Questions sent directly to me will only be answered on a paid
consulting basis.
Hope this helps,
Doug Robbins - Word MVP
> Greetings all,
>
[quoted text clipped - 7 lines]
> Thanks in advance.
> Sandy