Unfortunately, header customisation was lost when Benny started overhauling the way MailMate displays messages a year or two ago 😢 It will possibly return at some indeterminate point in the future.
https://www.mail-archive.com/mailmate@lists.freron.com/msg14816.html -- => Jolin _______________________________________________ mailmate mailing list mailmate@lists.freron.com https://lists.freron.com/listinfo/mailmate