How can I customize notification email?

I have activated basic email in the addons section, but I can’t find any way to customize the email template.

I am currently receiving emails in this way:

Hello!, br / br / A new answer is posted by Άρης Σμυρλής br /Καλημέρα η ανάλυση στο netbook μου ειναι 800Χ600. Δεν αλλάζει. br / br / a View Answer /a br / Powered by a href=”http://anspress.io” AnsPress /a

(edit: I have removed the “” becayse they were automatically formatted)