Installing TLS on sendmail Freebsd – cd /usr/ports/security/cyrus-sasl2-saslauthd && make install echo ‘saslauthd_enable=”YES”‘ >> /etc/rc.conf Start the saslauthd – /usr/local/etc/rc.d/saslauthd.sh start Changing sendmail build options – vi /etc/make.conf #Add the following – # SASL (cyrus-sasl v2) sendmail build flags… SENDMAIL_CFLAGS=-I/usr/local/include -DSASL=2 SENDMAIL_LDFLAGS=-L/usr/local/lib SENDMAIL_LDADD=-lsasl2 # Adding to enable alternate port (smtps) for sendmail… SENDMAIL_CFLAGS+= -D_FFR_SMTP_SSL ..