Mail::Cclient Troubleshooting FAQ 1) Can't load 'blib/arch/auto/Mail/Cclient/Cclient.so' for module Mail::Cclient: blib/arch/auto/Mail/Cclient/Cclient.so: undefined symbol: pam_end at /usr/lib/perl5/5.6.0/i386-linux/DynaLoader.pm line 169. Add option --with-pam 2) criteria.c:16: mail.h: No such file or directory criteria.c:17: misc.h: No such file or directory Add option --with-cclient-includes=/path/to/imap_includes (RedHat 6.2 --with-cclient-includes=/usr/include/imap) 3) Can't load 'blib/arch/auto/Mail/Cclient/Cclient.so' for module Mail::Cclient: blib/arch/auto/Mail/Cclient/Cclient.so: undefined symbol: krb5_defkeyname at /usr/lib/perl5/5.6.0/i386-linux/DynaLoader.pm line 169. Add option --with-kerberos (RedHat 6.2 --with-kerberos=/usr/kerberos/lib) 4) Can't load 'blib/arch/auto/Mail/Cclient/Cclient.so' for module Mail::Cclient: blib/arch/auto/Mail/Cclient/Cclient.so: undefined symbol: SSL_CTX_set_tmp_rsa_callback at /usr/lib/perl5/5.6.0/i386-linux/DynaLoader.pm line 169. Add option --with-ssl 5) Certificate failure for localhost: self signed certificate: /C=--/ST=SomeState/L=SomeCity/O=SomeOrganization/ OU=SomeOrganizationalUnit/CN=localhost.localdomain/emailAddress= root@localhost.localdomain Install imap without ssl: make lrh SSLTYPE=none