On Thu, 16 Apr 2015, Andrew Daviel wrote: > RedHat released sendmail-8.13.8-10.el5_11.src.rpm which includes > sendmail-8.13.8-ssl-opts.patch which adds support for disabling > SSLv3 and SSLv2 in sendmail.cf > > But as far as I can see there is no support in sendmail.mc - I can't > see how to compile sendmail.mc to get the required line > ServerSSLOptions in sendmail.cf > > > Does anyone know how to do this ? At the end of sendmail.mc, after the MAILER macros, add a LOCAL_CONFIG, e.g,, LOCAL_CONFIG O ClientSSLOptions=+SSL_OP_NO_SSLv2 +SSL_OP_NO_SSLv3 O ServerSSLOptions=+SSL_OP_NO_SSLv2 +SSL_OP_NO_SSLv3 +SSL_OP_CIPHER_SERVER_PREFERENCE -- Paul Heinlein heinlein at madboa.com 45°38' N, 122°6' W