spamProtectEmailAddresses = ascii doesn't work in Typo3 7
E-Mail addresses are not translated to a Unicode HTML.
#1 Updated by Simon Schaufelberger over 2 years ago
mm_forum is not compatible with TYPO3 7 and will not be supported any longer. Please use https://typo3.org/extensions/repository/view/typo3_forum.
I will only offer payed support for mm_forum (without a TER release though).