JCL set for Font family in e-mail

Product/components used and version/fix level:

Natural 9 , JCL , Outlook

Detailed explanation of the problem:

Is there some JCL setting to define a font family when sending sysouts by e-mail?
Related to JCL, we have some jobs that send the sysouts of some Natural programs by e-mail. But now they´re not quite readable.
I´d like to view them directly in the message’s content in a font of monospace typeface.

Error messages / full error message screenshot / log file:

There’s no error, it’s only an improvement issue.

Question related to a free trial, or to a production (customer) instance?

Production instance.