IMPORTANT NOTE: =============== Please read %%DOCSDIR%%/POST-INSTALL-NOTES for important information regarding your Exim installation. How to restore pre-4.77 behaviour of match_* expansions ======================================================= Just two steps to do it: 1. first, read README.UPDATING and in most cases you will realize that pre-4.77 behaviour is not what you want; 2. if you're still here, turn on port's knob LISTMATCH_RHS and carefully review your configuration for untrusted right-hand sides in match_* operations.