SPF data are TXT records which have been extra to DNS Zones to be able to specify the servers from which emails can be sent. pkg install gcc gmake perl5 wget bison flex cyrus-sasl cmake python autoconf libtool libarchive iconv bind911 mailx webalizer gettext-runtime udns sudo psmisc tar openssl krb5 https://itsupportservices01111.jaiblogs.com/52927588/azure-support-for-dummies