acl_smtp_helo = check_helo
acl_smtp_rcpt = check_recipient
-log_selector = +received_recipients +tls_resumption
+log_selector = +received_recipients +tls_resumption +tls_peerdn +outgoing_port
tls_advertise_hosts = *
+tls_on_connect_ports = PORT_D2
# Set certificate only if server
-tls_certificate = ${if eq {SERVER}{server}{DIR/aux-fixed/cert1}fail}
+CDIR=DIR/aux-fixed/exim-ca/example.com
+
+tls_certificate = CDIR/server1.example.com/server1.example.com.chain.pem
+tls_privatekey = CDIR/server1.example.com/server1.example.com.unlocked.key
tls_require_ciphers = OPTION
tls_resumption_hosts = 127.0.0.1
begin acl
check_helo:
- accept condition = ${if def:tls_in_cipher}
- logwrite = tls_in_resumption ${listextract {$tls_in_resumption} {_RESUME_DECODE}}
+ accept condition = ${if def:tls_in_cipher}
+ logwrite = tls_in_ver\t$tls_in_ver
+ logwrite = tls_in_resumption\t${listextract {$tls_in_resumption} {_RESUME_DECODE}}
+ logwrite = our cert subject\t${certextract {subject}{$tls_in_ourcert}}
+ logwrite = peer cert subject\t${certextract {subject}{$tls_in_peercert}}
+ logwrite = peer cert verified\t${tls_in_certificate_verified}
+ logwrite = peer dn\t${tls_in_peerdn}
+ logwrite = cipher\t${tls_in_cipher}
+ logwrite = bits\t${tls_in_bits}
accept
check_recipient:
- accept domains = +local_domains
- deny message = relay not permitted
+ accept domains = +local_domains
+ deny message = relay not permitted
log_resumption:
accept condition = ${if def:tls_out_cipher}
condition = ${if eq {$event_name}{tcp:close}}
+ logwrite = tls_out_ver\t$tls_out_ver
logwrite = tls_out_resumption ${listextract {$tls_out_resumption} {_RESUME_DECODE}}
+ logwrite = our cert subject\t${certextract {subject}{$tls_out_ourcert}}
+ logwrite = peer cert subject\t${certextract {subject}{$tls_out_peercert}}
+ logwrite = peer cert verified\t${tls_out_certificate_verified}
+ logwrite = peer dn\t${tls_out_peerdn}
+ logwrite = cipher\t${tls_out_cipher}
+ logwrite = bits\t${tls_out_bits}
# ----- Routers -----
begin routers
client:
- driver = accept
- condition = ${if eq {SERVER}{server}{no}{yes}}
- retry_use_local_part
- transport = send_to_server${if eq{$local_part}{abcd}{2}{1}}
+ driver = accept
+ condition = ${if eq {SERVER}{server}{no}{yes}}
+ transport = send_to_server${if eq{$local_part}{hostnotresume}{2}{1}}
server:
driver = redirect
begin transports
send_to_server1:
- driver = smtp
+ driver = smtp
allow_localhost
- hosts = 127.0.0.1
- port = PORT_D
- helo_data = helo.data.changed
+ hosts = 127.0.0.1
+.ifdef SELECTOR
+ port = PORT_D2
+ protocol = smtps
+ # Use HELO purely to get a P= different on the server <= line
+ hosts_avoid_esmtp = *
+.else
+ port = PORT_D
+.endif
+ helo_data = helo.data.changed
+.ifdef HELO_MSG
+ host_name_extract = HELO_MSG
+.endif
.ifdef VALUE
- tls_resumption_hosts = *
+ tls_resumption_hosts = *
.else
- tls_resumption_hosts = :
+ tls_resumption_hosts = :
.endif
- event_action = ${acl {log_resumption}}
+ tls_verify_certificates = CDIR/CA/CA.pem
+ tls_verify_cert_hostnames = ${if match {$local_part}{^noverify} {*}{:}}
+ tls_try_verify_hosts = *
+ event_action = ${acl {log_resumption}}
send_to_server2:
- driver = smtp
+ driver = smtp
allow_localhost
- hosts = HOSTIPV4
- port = PORT_D
- event_action = ${acl {log_resumption}}
+ hosts = HOSTIPV4
+ port = PORT_D
+ hosts_try_fastopen = :
+ tls_verify_certificates = CDIR/CA/CA.pem
+ tls_verify_cert_hostnames = :
+ event_action = ${acl {log_resumption}}
# ----- Retry -----