We propose incorporating an SPF history to stop acquiring messages flagged as spam. For anyone who is sending from a static IP address, insert it on your SPF report in the domain registrar's DNS configurations as follows: pkg install gcc gmake perl5 wget bison flex cyrus-sasl cmake python autoconf libtool https://aws-linux-support90000.thezenweb.com/the-smart-trick-of-linux-postfix-mail-server-setup-that-no-one-is-discussing-63689870