On Thu, May 08, 2014 at 10:45:28PM +0200, Markus Petri wrote: > I'm trying to get client side TLSA/DANE working on a SLES11 SP3 system > with openssl 0.9.8j and Postfix 2.11.1.
You need at least OpenSSL 1.0.0. > When the smtp client tries to connect to the destination system, the > following is logged: > > May 8 22:23:11 mail postfix-rz-out/smtp[22203]: warning: > cannot generate TA certificates, no trust-anchor or DANE support > May 8 22:23:11 mail postfix-rz-out/smtp[22203]: warning: > petri-markus.de: dane configured, but no requisite library support > May 8 22:23:11 mail postfix-rz-out/smtp[22203]: > Untrusted TLS connection established to > marge.ceotex.de[2a01:4f8:140:6ffb::24]:25: > TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits) > > I suspect, that the distributed openssl library is too old, but I may > be wrong. You're not wrong, it is too old. -- Viktor.