The mailing list for listmasters using Sympa

[Olivier Salaün - CRU <address@concealed>]

In the first case, the attachement Content-Disposition must be 'inline' 
and probably not in the second case.
You should check both messages source.

Anyhow I don't see any way Sympa could be involved in this problem...

Nick Holden wrote:

> Probably a basic question, but I'm stumped. We're sending messages to a
> list which are html format and contain images (jpg). On the test list,
> it worked fine, and the image appears in the message exactly as we
> wanted it to.
>
> On the production list, when it went out to 1000 people, the image was
> not displayed. It's there in the list archive, but it was not displayed
> in people's email software.
>
> What might be causing this?
>