On 17.08.23, 01:48 Viktor Dukhovni wrote via Postfix-users:
So far, the pattern of Microsoft's outbound systems disconnecting
immediately after a completed TLS handshake strongly correlates with a
broken TLSA setup.
For the record: I stumbled across this a couple of days ago when I
received a
On 17.10.23, 18:42 Viktor Dukhovni wrote via Postfix-users:
On Tue, Oct 17, 2023 at 05:47:11PM +0200, Markus Ueberall via Postfix-users
wrote:
For the record: I stumbled across this a couple of days ago when I received
a message on LinkedIn telling me that a number of e-mails sent via
On 18.10.23, 22:11 Markus Ueberall wrote via Postfix-users:
I just tried an explicit "_25._tcp" CNAME as suggested above (using
the shared RRset) /alongside/ the existing "*._tcp" CNAME which I did
not want to remove/replace for one domain ("D1") while keeping my
aforementioned setup for a seco
