Have you set
DECORATE_CHARSETS = [DECORATE_MCSET, DECORATE_LCSET, 'utf-8']
in mm_cfg.py and execute bin/mailmanctl restart ?
Have you set
DECORATE_CHARSETS = [DECORATE_MCSET, DECORATE_LCSET, 'utf-8']
in mm_cfg.py and execute bin/mailmanctl restart ?