# Exim test configuration 2112
+# TLS client: verify certificate from server - fails
SERVER=
exim_path = EXIM_PATH
+keep_environment =
host_lookup_order = bydns
primary_hostname = myhost.test.ex
-rfc1413_query_timeout = 0s
spool_directory = DIR/spool
log_file_path = DIR/spool/log/SERVER%slog
gecos_pattern = ""
gecos_name = CALLER_NAME
+FX = DIR/aux-fixed
+S1 = FX/exim-ca/example.com/server1.example.com
+
+CA1 = S1/ca_chain.pem
+CERT1 = S1/server1.example.com.pem
+KEY1 = S1/server1.example.com.unlocked.key
+CA2 = FX/cert2
+CERT2 = FX/cert2
+KEY2 = FX/cert2
+
# ----- Main settings -----
acl_smtp_rcpt = accept
-log_selector = +tls_peerdn+tls_certificate_verified
+log_selector = +tls_peerdn+tls_certificate_verified +received_recipients
queue_only
queue_run_in_order
# Set certificate only if server
-tls_certificate = ${if eq {SERVER}{server}{DIR/aux-fixed/cert1}fail}
-tls_privatekey = ${if eq {SERVER}{server}{DIR/aux-fixed/cert1}fail}
+tls_certificate = ${if eq {SERVER}{server}{CERT1}fail}
+tls_privatekey = ${if eq {SERVER}{server}{KEY1}fail}
tls_verify_hosts = *
-tls_verify_certificates = ${if eq {SERVER}{server}{DIR/aux-fixed/cert2}fail}
+tls_verify_certificates = ${if eq {SERVER}{server}{CERT2}fail}
# ----- Routers -----
begin routers
-client:
+server_dump:
+ driver = redirect
+ condition = ${if eq {SERVER}{server}{yes}{no}}
+ data = :blackhole:
+
+client_x:
+ driver = accept
+ local_parts = userx
+ retry_use_local_part
+ transport = send_to_server_failcert
+ errors_to = ""
+
+client_y:
+ driver = accept
+ local_parts = usery
+ retry_use_local_part
+ transport = send_to_server_retry
+
+client_z:
+ driver = accept
+ local_parts = userz
+ retry_use_local_part
+ transport = send_to_server_crypt
+
+client_q:
+ driver = accept
+ local_parts = userq
+ retry_use_local_part
+ transport = send_to_server_req_fail
+
+client_r:
+ driver = accept
+ local_parts = userr
+ retry_use_local_part
+ transport = send_to_server_req_failname
+
+client_s:
driver = accept
- condition = ${if eq {SERVER}{server}{no}{yes}}
+ local_parts = users
retry_use_local_part
- transport = send_to_server
+ transport = send_to_server_req_passname
# ----- Transports -----
begin transports
-send_to_server:
+# this will fail to verify the cert at HOSTIPV4 so fail the crypt requirement
+send_to_server_failcert:
+ driver = smtp
+ allow_localhost
+ hosts = HOSTIPV4
+ hosts_require_tls = HOSTIPV4
+ port = PORT_D
+ tls_certificate = CERT2
+ tls_privatekey = CERT2
+
+ tls_verify_certificates = CA2
+ tls_try_verify_hosts =
+ tls_verify_cert_hostnames =
+
+# this will fail to verify the cert at HOSTIPV4 so fail the crypt, then retry on 127.1; ok
+send_to_server_retry:
driver = smtp
allow_localhost
hosts = HOSTIPV4 : 127.0.0.1
hosts_require_tls = HOSTIPV4
port = PORT_D
- tls_certificate = DIR/aux-fixed/cert2
+ tls_certificate = CERT2
+ tls_privatekey = CERT2
+
tls_verify_certificates = \
- ${if eq{$host_address}{127.0.0.1}{DIR/aux-fixed/cert1}{DIR/aux-fixed/cert2}}
+ ${if eq{$host_address}{127.0.0.1}{CA1}{CA2}}
+ tls_try_verify_hosts =
+ tls_verify_cert_hostnames =
+
+# this will fail to verify the cert but continue unverified though crypted
+send_to_server_crypt:
+ driver = smtp
+ allow_localhost
+ hosts = HOSTIPV4
+ hosts_require_tls = HOSTIPV4
+ port = PORT_D
+ tls_certificate = CERT2
+ tls_privatekey = CERT2
+
+ tls_verify_certificates = CA2
+ tls_try_verify_hosts = *
+ tls_verify_cert_hostnames =
+
+# this will fail to verify the cert at HOSTIPV4 and fallback to unencrypted
+send_to_server_req_fail:
+ driver = smtp
+ allow_localhost
+ hosts = HOSTIPV4
+ port = PORT_D
+ tls_certificate = CERT2
+ tls_privatekey = CERT2
+
+ tls_verify_certificates = CA2
+ tls_verify_hosts = *
+ tls_verify_cert_hostnames =
+
+# this will fail to verify the cert name and fallback to unencrypted
+send_to_server_req_failname:
+ driver = smtp
+ allow_localhost
+ hosts = HOSTIPV4
+ port = PORT_D
+ tls_certificate = CERT2
+ tls_privatekey = CERT2
+
+ tls_verify_certificates = CA1
+ tls_verify_cert_hostnames = server1.example.net : server1.example.org
+ tls_verify_hosts = *
+
+# this will pass the cert verify including name check
+send_to_server_req_passname:
+ driver = smtp
+ allow_localhost
+ hosts = HOSTIPV4
+ port = PORT_D
+ tls_certificate = CERT2
+ tls_privatekey = CERT2
+
+ tls_verify_certificates = CA1
+ tls_verify_cert_hostnames = noway.example.com : server1.example.com
+ tls_verify_hosts = *
# End