tce-load -i openssl-1.0.0-dev

cd libesmtp-1.0.6

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static

find . -name Makefile -type f -exec sed -i 's/-O2/ /g' {} \;

make
sudo make install

*************************
*** libESMTP features ***
*************************
            --with-auth-plugin-dir: /usr/local/lib/esmtp-plugins
                      --with-lwres: no
                    --with-openssl: yes
                 --enable-pthreads: yes
                     --enable-etrn: no
                     --enable-ntlm: no
                 --enable-chunking: yes
                     --enable-xusr: yes
                   --enable-nsauth: yes
                    --enable-debug: no