Re: smtp_tls_security_level = dane but have encrypt as fallback

2019-02-17 Thread Andrey Repin
Greetings, Viktor Dukhovni! >> >> But in cases where remote sites do not have published key material, the >> fallback is may with dane, which is a step back in terms of security and >> not wanted. >> >> How can we specify: >> >> 1, Always use at least encrypt >> 2, When TLSA-records are found

Re: smtp_tls_security_level = dane but have encrypt as fallback

2019-01-28 Thread Wietse Venema
Wietse Venema: > Viktor Dukhovni: > > > On Jan 28, 2019, at 7:59 AM, Stefan Bauer wrote: > > > > > > But in cases where remote sites do not have published key material, the > > > fallback is may with dane, which is a step back in terms of security and > > > not wanted. > > > > > > How can we

Re: smtp_tls_security_level = dane but have encrypt as fallback

2019-01-28 Thread Wietse Venema
Viktor Dukhovni: > > On Jan 28, 2019, at 7:59 AM, Stefan Bauer wrote: > > > > But in cases where remote sites do not have published key material, the > > fallback is may with dane, which is a step back in terms of security and > > not wanted. > > > > How can we specify: > > > > 1, Always use

Re: smtp_tls_security_level = dane but have encrypt as fallback

2019-01-28 Thread Viktor Dukhovni
> On Jan 28, 2019, at 7:59 AM, Stefan Bauer wrote: > > But in cases where remote sites do not have published key material, the > fallback is may with dane, which is a step back in terms of security and not > wanted. > > How can we specify: > > 1, Always use at least encrypt > 2, When

smtp_tls_security_level = dane but have encrypt as fallback

2019-01-28 Thread Stefan Bauer
Hi, we would like to go the next step, enable smtp_tls_security_level = dane. Currently we have encrypt site-wide. But in cases where remote sites do not have published key material, the fallback is may with dane, which is a step back in terms of security and not wanted. How can we specify: 1,