On 12/05/2014 09:40 AM, Richard Heiles wrote:
> 
> When I send out a mass email to all of the groups some of the
> emails go through fine but some end up getting converted to untitled
> attachments like the ones here.
...
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On
> Behalf Of Richard Heiles
> Sent: Friday, December 05, 2014 12:12 PM
> To: eevb-gf@cosmoweb. net
> Subject: [Eevb-gf] FW: SpikeKey Beach Winter Clinic
> 
> To be removed from this list send an email to [email protected] with REMOVE in
> the subject column
> 
[followed by the multipart/alternative message body as an attachment
followed by the msg_footer.]


This is because the mail client you use to read the mail is not very
good at understanding how to render MIME multipart messages.

The underlying issue is your original post has the MIME structure:

multipart/alternative
    text/plain
        (the plain text alternative of your post)
    text/html
        (the rich text alternative of your post)

Your list adds msg_header and msg_footer with unsubscribe and other info
resylting in the following MIME structure.

multipart/mixed
    text/plain
        (the msg_header)
    multipart/alternative
        text/plain
            (the plain text alternative of your post)
        text/html
            (the rich text alternative of your post)
    text/plain
        (the msg_footer)

Instead of just displaying all these parts inline, the mail client
you're using decides the msg_header part is the message body and
everything else is an attachment.

The differences you observe may be due to different mail clients or more
likely some lists adding msg_headetr and others not.

See the FAQ at <http://wiki.list.org/x/84A9>.

-- 
Mark Sapiro <[email protected]>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan
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