Second attempt: Help needed with using MHonArc to convert email with MIM

It appears that my previous message was not delivered in full.
Therefore, I am resending it in order that the full extent of my problem
can be appreciated.
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Hi,
I have just installed MHonArc and attempted to use it to convert a
single email message containing gif images.
I used the command mhonarc -single < mail1 > file1.html  as instructed.
However, the resultant html file (file1.html) did not display exactly as

the original mail file (mail1).

I noted that the original mail file had lines as shown below:

<IMG SRC="cid:part1.3389F638.3FAC59AA@user.com" HEIGHT=70 WIDTH=450
ALIGN=BOTTOM
> <FONT FACE="Arial,Helvetica">&nbsp;</FONT>