--- sendmail/sendmail/main.c~orig Sat Jan 9 15:31:13 1999 +++ sendmail/sendmail/main.c Wed Nov 17 19:04:44 1999 @@ -984,6 +984,18 @@ usrerr("Permission denied"); finis(FALSE, EX_USAGE); } + if (OpMode == MD_INITALIAS && + RealUid != 0 && + RealUid != TrustedUid && + !wordinclass(RealUserName, 't')) + { + if (LogLevel > 1) + sm_syslog(LOG_ALERT, NOQID, + "user %d attempted to rebuild the alias map", + RealUid); + usrerr("Permission denied"); + finis(FALSE, EX_USAGE); + } if (MeToo) BlankEnvelope.e_flags |= EF_METOO;