Re: Checking my understanding of TLS-related settings, and a possible feature request

2020-07-03 Thread Matus UHLAR - fantomas
_maps, only smtp_tls_policy_maps that instruct your outgoing smtp connections. From: owner-postfix-us...@postfix.org On Behalf Of Max-Julian Pogner Sent: Thursday, June 11, 2020 10:36 AM To: postfix-users@postfix.org Subject: Re: Checking my understanding of TLS-related settings, and a possible fe

Re: Checking my understanding of TLS-related settings, and a possible feature request

2020-07-02 Thread Viktor Dukhovni
On Thu, Jul 02, 2020 at 09:21:27PM -0400, Viktor Dukhovni wrote: > Tell your customer politely, but firmly, that you are not at liberty to > enforce TLS 1.2 inbound, as that would downgrade the security of > connections from clients that can only do TLS 1.0. However, since > you do support TLS 1.

Re: Checking my understanding of TLS-related settings, and a possible feature request

2020-07-02 Thread Nathan Ward
> On 3/07/2020, at 13:13, Jeremy Banks wrote: > > I am not confident all of our legacy apps can be configured for non-standard > ports; I would be in no way surprised if one or more of them have the classic > smtp ports hardcoded. Though, I will discuss that option with my co-workers. > > Is

Re: Checking my understanding of TLS-related settings, and a possible feature request

2020-07-02 Thread Viktor Dukhovni
On Thu, Jun 11, 2020 at 04:22:37PM +, Jeremy Banks wrote: > At my job, we use Postfix as our email setup. Recently, as part of a > security audit by one of our customers, we were told that our mail > relays must accept only TLSv1.2 when doing TLS, and not any prior > versions. Tell your custo

RE: Checking my understanding of TLS-related settings, and a possible feature request

2020-07-02 Thread Jeremy Banks
TLS-related settings, and a possible feature request Hello, well, as a quick-fix you could always start an additional smtpd service on a non-standard port (by adding an appropriate line in master.cf) and configure this additional smtpd in exception ways (by adding "-o smtpd_tls_FOO&quo

Re: Checking my understanding of TLS-related settings, and a possible feature request

2020-06-11 Thread Max-Julian Pogner
Hello, well, as a quick-fix you could always start an additional smtpd service on a non-standard port (by adding an appropriate line in master.cf) and configure this additional smtpd in exception ways (by adding "-o smtpd_tls_FOO" options to the additional smtpd service) example master.cf line (n