set use_8bitmime set hostname=<%= mail_domain %> set imap_authenticators="gssapi:plain" <% if ['CentOS','Fedora','RedHat'].index(operatingsystem) and operatingsystemrelease !~ /^[1-5]\./-%> set ssl_ca_certificates_file="/etc/pki/tls/certs/ca-bundle.crt" <% end -%> set spoolfile=imaps://${USER}@<%= mail_server %>/INBOX set folder=imaps://${USER}@<%= mail_server %>