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/build/5.6.1/bin/perl -Iblib/arch -Iblib/lib -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi -I/home/cpanrun/build/5.6.1/lib/5.6.1 test.pl
vpopmail home directory () not found.
make: *** [test_dynamic] Error 2