A bit off topic but it just happened to dawn on me that that Ethernet
Tap I referred to was a H4000. My brain works that way. Just to see if
my memory hadn't failed me I googled it. Yep H4000. And I even found a
Wiki page on it with a picture of the backbone cable and the H4000. And
the tool to drill the hole in the cable. When the DESTA came out and you
could use Thinwire (coax) that was a revolution!. Yes I'm old. LOL
https://gunkies.org/wiki/DEC_Ethernet_Transceivers
On 6/28/24 12:59, Curtis J Blank via Postfix-users wrote:
Always in a good mood. It's a waste not to be. When I'm focused on
something I just state the facts as I understand them and sometimes
that doesn't come across well.
Yeah I know localhost can be either that's why I used 127.0.0.1 in the
config and don't/didn't use localhost anywhere, as I later stated.
I errored in my OP by not making that clear and using the word
localhost. But to me localhost is 127.0.0.1, I don't even think about
::1 as far as localhost goes. I know I should. So that is why I can't
understand why ::1:10025 was being used to do the SA connection and I
still need to determine that why.
I got my first computer at home in the late 70's. I cut my teeth on
networking back in '79 on DECNET where Ethernet was a huge thick cable
that you used a tool to drill a hole in and mount a Tap as it was
called to branch off that backbone.
TCP/IP was in it's infancy too at the time. That was over 30 years
before ipv6 was around so localhost was 127.0.0.1 and now to me, oh
yeah, ::1 is too now.
-Curt
On 6/28/24 12:09, Ralph Seichter via Postfix-users wrote:
* Curtis J. Blank via Postfix-users:
What I am looking for is pretty simple. How to get it to work with
"inet_protocols = all" like my existing server is currently set up
to do
and not be limited to ipv4 only.
Well, you seem to be in a good mood. ;-)
And it is already set to use 127.0.0.1 so why it is using [::1] instead
when the old server uses 127.0.01, that is part of the mystery. The
configs are exactly the same yet they operate differently.
Like I wrote, localhost is not the same as 127.0.0.1 or ::1. It is just
a name that your server needs to resolve into an IP address, which is a
possible source of two servers behaving differently. If you explicitly
use IP addresses instead of localhost in your configuration (Postfix,
SpamAssassin, etc., both for binding and connecting), as I suggested,
you can avoid DNS related problems. This technique was old 20 years ago,
but it still works today.
-Ralph
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