On 3/28/23 15:59, Mike Tubby via Exim-users wrote:
Hi Olaf,


outbound_force_tls:
         driver = dnslookup
         domains = +tls_force_remote_domains
         transport = remote_smtp_force_tls


outbound_lookup:
         driver = dnslookup
         domains = ! +local_domains
         transport = remote_smtp
         ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
         no_more


and then this in my transports:
remote_smtp:
   driver = smtp

remote_smtp_force_tls:
   driver = smtp
   hosts_require_tls = *
   hosts_try_fastopen = !*.l.google.com
   tls_require_ciphers = HIGH:!SRP:!PSK:!SHA:@STRENGTH



Hi Mike,
thanks for your code. But my question was not how to implement 
"domains-with-force-TLS"
This is already solved and I ended up with two almost identical routers
and two almost identical transports. Your config also uses 2 routers and 2 
transports.
In my case these routers and transports are lengthy and also do all of the DKIM 
signing stuff.
And my question was to rid of the second router and transport and to 
consolidate my code.

Jeremys proposal sounded promising at first look, but after his correction
that I have to use "max_rcpts = 1" and that these are my main routers / 
transports
handling ~200k Mails per day I decided still to live with 2 pairs of routers 
and transports
and keep in mind, when I change one of them, I have to change the other one as 
well.
"max_rcpts = 1" seems to "expensive" in my use case.

Regards , Olaf


--
Karlsruher Institut für Technologie (KIT)
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Dipl.-Geophys. Olaf Hopp

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