On Friday 23 January 2015, Lisi Reisz wrote:
> KMail on TDE 3.5.13.2 on Wheezy, all fully updated.
>
> Because my husband had an eye operation today I wanted to enlarge
> everything in KMail for him.  I cannot enlarge the text in the
> message body.  After about ten tries the font changed from serif to
> sans-serif, but that is all. When I change the message body
> setting, the headers change, be they long or short - but he doesn't
> want to read those.  The text of the email remains stubbornly tiny.
>
> The date in the message list also fails to change font.  The rest
> changes!
>
Hi Lisi,

no answer to your question but - when I open a mail in its window I 
can use CTRL and the mousewheel to enlarge the font to really big 
size.

And I just tested - it works in the main Kmail window as well.

Hope that helps
Gerhard