Checking if your kit is complete...
Looks good
Writing Makefile for Mail::vpopmail
cp vpopmail.pm blib/lib/Mail/vpopmail.pm
Manifying blib/man3/Mail::vpopmail.3
PERL_DL_NONLAZY=1 /home/cpanrun/ia64-lp64/build/5.8.2/bin/perl "-Iblib/lib" "-Iblib/arch" test.pl
vpopmail home directory () not found.
make: *** [test_dynamic] Error 2