Re: Verification of DANE TLSA MX equivalent RRs

2013-09-20 Thread Viktor Dukhovni
On Fri, Sep 20, 2013 at 04:39:42PM +0200, Stefan Foerster wrote: > > There is no such need, the draft RFC allows server operators to use > > *either* name (whichever they prefer), and requires clients to support > > both. There is NO requirement for server operators to publish both. > > To be ho

Re: Verification of DANE TLSA MX equivalent RRs

2013-09-20 Thread Stefan Foerster
* Viktor Dukhovni : > On Fri, Sep 20, 2013 at 11:47:35AM +0200, Stefan Foerster wrote: > > - make sure the submission server at mail.example.com has certificates > > for mail.example.com as well as example.com, with example.com being > > the certificate that's displayed when the client does't s

Re: Verification of DANE TLSA MX equivalent RRs

2013-09-20 Thread Viktor Dukhovni
On Fri, Sep 20, 2013 at 11:47:35AM +0200, Stefan Foerster wrote: > I see. So, for joe.u...@example.com the whole setup would probably be > something along: > > - publish SRV record for _submission._tcp SRV 0 1 587 mail.example.com Yes. Though it will be some time before most MUAs are zeroconf i

Re: Verification of DANE TLSA MX equivalent RRs

2013-09-20 Thread Stefan Foerster
* Viktor Dukhovni : > On Thu, Sep 19, 2013 at 10:44:27AM +0200, Stefan Foerster wrote: > > * Viktor Dukhovni : > > > You should be looking at the SMTP draft, not the OPS draft. [...] > > Would that be draft-ietf-dane-smtp-01? Because this one, too, > > explicitely doesn't cover mail submission. > N

Re: Verification of DANE TLSA MX equivalent RRs

2013-09-19 Thread Viktor Dukhovni
On Thu, Sep 19, 2013 at 10:44:27AM +0200, Stefan Foerster wrote: > * Viktor Dukhovni : > > On Wed, Sep 18, 2013 at 03:27:14PM +0200, Stefan Foerster wrote: > > > And while we are at it, one more question, slightly unrelated: > > > draft-dukhovni-dane-ops-01 does not mention MSAs. Is it commonly >

Re: Verification of DANE TLSA MX equivalent RRs

2013-09-19 Thread Stefan Foerster
* Viktor Dukhovni : > On Wed, Sep 18, 2013 at 03:27:14PM +0200, Stefan Foerster wrote: > > And while we are at it, one more question, slightly unrelated: > > draft-dukhovni-dane-ops-01 does not mention MSAs. Is it commonly > > expected that user agents will not support TLSA RRs? > > You should be

Re: Verification of DANE TLSA MX equivalent RRs

2013-09-18 Thread Viktor Dukhovni
On Wed, Sep 18, 2013 at 05:49:53PM +0200, Stefan Foerster wrote: > I noticed that posttls-finger is not part of any upstream source I > could find, leading me to github - is that intentional? It is inaccurate. The posttls-finger utility has been included in Postfix snapshots since postfix-2.11-2

Re: Verification of DANE TLSA MX equivalent RRs

2013-09-18 Thread Stefan Foerster
* Viktor Dukhovni : > I ran posttls-finger from my laptop, and got: [...] > So you're all set. Thanks for taking the time to do this, I appreciate it. I noticed that posttls-finger is not part of any upstream source I could find, leading me to github - is that intentional? Stefan

Re: Verification of DANE TLSA MX equivalent RRs

2013-09-18 Thread Viktor Dukhovni
On Wed, Sep 18, 2013 at 03:27:14PM +0200, Stefan Foerster wrote: > I'm not sure it this is the right place to ask, so if it's not, feel > free to tell me. This is Postfix related. > I configured DANE TLSA RRs for incertum.net, port 25 a few days ago, > but until now, the only "test" I could perf

Verification of DANE TLSA MX equivalent RRs

2013-09-18 Thread Stefan Foerster
Hello world, I'm not sure it this is the right place to ask, so if it's not, feel free to tell me. I configured DANE TLSA RRs for incertum.net, port 25 a few days ago, but until now, the only "test" I could perform was bootstrapping a recent Postfix snapshot and the latest OpenSSL and send myself