The file alternatives.conf I gave to u was my sample. I haven't got the default options.conf but if you need to see the default content of possibilities.conf, take out existing alternatives.conf, then operate a traditional setup.sh and quit the installation CTRL+C if the setup is trying to operate custombuild, https://office365smtpsetup56665.evawiki.com/8756474/the_definitive_guide_to_ispconfig_support