Hi, I think it should be clear that xemacs supports only kerberosIV autentication. --- configure.in.ori 2003-01-29 13:14:49.000000000 +0100 +++ configure.in 2003-01-29 13:15:27.000000000 +0100 ＠＠ -5155,7 +5155,7 ＠＠ echo " Mail:" test "$with_pop" = yes && echo " Compiling in support for POP mail retrieval." -test "$with_kerberos" = yes && echo " Compiling in support for Kerberos POP authentication." +test "$with_kerberos" = yes && echo " Compiling in support for Kerberos IV POP authentication." test "$with_hesiod" = yes && echo " Compiling in support for Hesiod POP server access." test -n "$mail_locking" && echo " Compiling in support for \"$mail_locking\" mail spool file locking method." But this is probably not the right place how to update ./configure --help output. -- Martin Mokrejs <mmokrejs(a)natur.cuni.cz&gt;, <m.mokrejs(a)gsf.de&gt; PGP5.0i key is at http://www.natur.cuni.cz/~mmokrejs MIPS / Institute for Bioinformatics <http://mips.gsf.de> GSF - National Research Center for Environment and Health Ingolstaedter Landstrasse 1, D-85764 Neuherberg, Germany tel.: +49-89-3187 3683 , fax: +49-89-3187 3585