>if i have an EC mail server cert and if an MTA setup to send/receive? >gives the following:
>$ openssl s_client -cipher ECDH -starttls smtp -connect >medusa.blackops.org:25 >CONNECTED(00000003) >139821090178704:error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 >alert handshake failure:s23_clnt.c:762: >does that mean it cannot connect *to* me because it doesn't have any EC >ciphers (openssl from 0.9.8 to 1.0.0 i believe?) which are required >because of an EC ssl cert ? >why doesn't mail then get delivered in the clear ? >i can receive mail for example from gmail which connects to me with an >ECDSA cipher suite >i posted postconf -n in previous question >example >postfix/smtpd[7060]: initializing the server-side TLS engine >postfix/smtpd[7060]: connect from medusa.blackops.org[208.69.40.157] >postfix/smtpd[7060]: warning: milter inet:127.0.0.1:10023: can't read >SMFIC_OPTNEG reply packet header: Connection timed out >postfix/smtpd[7060]: warning: milter inet:127.0.0.1:10023: read error in >initial handshake >postfix/smtpd[7060]: setting up TLS connection from >medusa.blackops.org[208.69.40.157] >postfix/smtpd[7060]: medusa.blackops.org[208.69.40.157]: TLS cipher list >"!ANULL:!EXPORT:!MD5:!DES:!LOW:ALL:@STRENGTH" >postfix/smtpd[7060]: SSL_accept:before/accept initialization >postfix/smtpd[7060]: SSL3 alert write:fatal:handshake failure >postfix/smtpd[7060]: SSL_accept:error in SSLv3 read client hello C >postfix/smtpd[7060]: SSL_accept:error in SSLv3 read client hello C >postfix/smtpd[7060]: SSL_accept error from >medusa.blackops.org[208.69.40.157]: -1 >postfix/smtpd[7060]: warning: TLS library problem: error:1408A0C1:SSL >routines:SSL3_GET_CLIENT_HELLO:no shared cipher:s3_srvr.c:1358: >postfix/smtpd[7060]: lost connection after STARTTLS from >medusa.blackops.org[208.69.40.157] >postfix/smtpd[7060]: disconnect from medusa.blackops.org[208.69.40.157] do you have this in your main.cf? I think it may fix your issue. smtpd_tls_ciphers = export