text_combined: dave funk dinsytengineeringuiowaedu wed 27 feb 2008 matt wrote mta never really sees whats headers adds headers smtp connection first begins connecting mta says helo suchandsuchsuchnsuchdomaincom thats spf looks mta adds return path headers actually helo hostnamedomain field recpt rywckyozhrvsuchnsuchdomaincom field tested spf second aka envelopefrom results returnpath header returnpath return path looks flaky would think spamassassin would way since valid domain consider suspect sure though accuratly represents messagess envelopefrom address op problem mta level mta basic validation envelopefrom make sure domain name represents valid domain via dns case message blocked mta never even made sa dave funk university iowa college engineering 3193355751 fax 3193840549 1256 seamans center sys_adminpostmastercell_admin iowa city ia 522421527 include better better standard better b thu 07 aug 2008 220813 0600 fwd spf_fail flag