vvrpgsporcupineorg uwwqjstyhlgooglemailcom 20080223 182029 wietse venema wrote postfixlocal67441 send attr reason maildir delivery failed create maildir file homeccmaildirnew1203783544v6ei353005m247564isaacxlocalnet operation permitted permissions use ls ld home homecc homeccmaildir homeccmaildirnew l receiving user must execute access directories already exist must write permission create missing directories well mail file hello wietse ls ld drwxrxrx 21 root wheel 512 23 feb 2247 ls ld homecc drwxrxrt 19 cc cc 2048 24 feb 0035 homecc ls ld homeccmaildir lrwxrxrx 1 cc cc 10 7 mar 2007 homeccmaildir mailspool ls ld homeccmailspool drwx 5 cc cc 512 7 feb 2007 homeccmailspool ls ld homeccmailspoolnew drwx 2 cc cc 1536 24 feb 0035 homeccmailspoolnew looked ok chmod ugorx referenced directories anyway mail delivers correctly vague feeling isnt first time ive done postfix maildir access open mkdir write close link unlink effective uid gid recipient real uid gid different runs split personality split personality matter unix systems use effective uid gid auxiliary groups file access decisions dont use real uid real gid split personality requires chmod arx homeccmailspool homeccmailspoolnew something using wrong uid gid access decision wietse thu 07 aug 2008 173033 0500 local maildir delivery problem