John Doe via Postfix-users:
> We have enabled TLS on nlp3 and all traffic is even now :)
> Now it's time for a change to be able to reuse connections for TLS.
That would be:
smtp_tls_connection_reuse = yes
Available in Postfix 3.4 and later. As you have found, connection
reuse speeds up
niedz., 12 maj 2024 o 19:10 Wietse Venema via Postfix-users <
postfix-users@postfix.org> napisał(a):
> Viktor Dukhovni via Postfix-users:
> > On Fri, May 10, 2024 at 01:13:06PM -0400, Wietse Venema via
> Postfix-users wrote:
>
> ...
Mystery solved.
Thank You Wietse and Viktor for tips about my
Viktor Dukhovni via Postfix-users:
> On Fri, May 10, 2024 at 01:13:06PM -0400, Wietse Venema via Postfix-users
> wrote:
>
> > > Logs:
> > > grep relay=nlp[123456].*status=sent /var/log/maillog | sed
> > > 's/.*relay=//' | sed 's/,.*//' | sort | uniq -c
>
> This fails to deduplicate
On Fri, May 10, 2024 at 01:13:06PM -0400, Wietse Venema via Postfix-users wrote:
> > Logs:
> > grep relay=nlp[123456].*status=sent /var/log/maillog | sed
> > 's/.*relay=//' | sed 's/,.*//' | sort | uniq -c
This fails to deduplicate multi-recipient deliveries, which record
the same relay= for
Wietse Venema:
> Please provide evidence in the form of logs that show the
> preference.
John Doe:
> Is this OK / enough ?
> Logs:
> grep relay=nlp[123456].*status=sent /var/log/maillog | sed
> 's/.*relay=//' | sed 's/,.*//' | sort | uniq -c
> 5770 [23]nlp1.loc-prd.net[10.56.155.14]:25
> 5694
pt., 10 maj 2024 o 16:13 Wietse Venema via Postfix-users <
postfix-users@postfix.org> napisał(a):
All at once answer, hope it's OK:
IP's:
^
dig mx mxmail.adatum.net +short | cut -d' ' -f2 | xargs dig a +short
10.56.155.14
10.32.32.103
10.32.32.104
10.26.15.31
John Doe via Postfix-users:
> Hi,
>
> I was hoping for real MX record round-robin but it does not work on one of
> my servers.
>
> Somehow, postfix is prioritising one of the MX more than others.
By default, Postfix looks up SMTP servers in DNS, and randomizes
the order of equal-preference
