SpamAssasin
Update GPG Keys of my Channels
wget -qO - http://khopesh.com/sa/GPG.KEY \ http://yerp.org/rules/GPG.KEY \ http://spamassassin.apache.org/updates/GPG.KEY \ | sa-update --import - \ --gpgkeyfile /usr/local/etc/mail/spamassassin/sa-update-keys.txt
Dovecot
disable SSLv3
ssl_protocols = !SSLv2 !SSLv3
Postfix
disable SSLv3
smtpd_tls_mandatory_protocols=!SSLv2,!SSLv3