Subject: Could you please provide more info? Thank you!
Thanks for reporting the issue!
I set the same default fonts as yours, but I can not reproduce the spacing and highlighting issues. Could you please provide more information? Thank you!
Do you encounter this issue on specific mail or all mails? Could you please provide the mail to us? To providing the mail, you can create a mail DB, disable encryption, copy your mail in the this local mail DB, compress it and attach it here.