[Users] Layout, margin on the right

[KA]

Hi All,
Please, is there a way to extend the margin on the right when writing an
Email in order to fit entirely the screen ?
Thank you

(screenshot in attachement)



Claws Mail
version 3.12.0
GTK+ 2.24.28 / GLib 2.46.1
Localización: es_ES.UTF-8 (caracteres: UTF-8)
Sistema operativo: Linux 4.2.0-22-generic (x86_64)
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