1 # Exim test configuration 5450
2 # TLS client: verify certificate from server - name-fails
7 host_lookup_order = bydns
8 primary_hostname = myhost.test.ex
9 rfc1413_query_timeout = 0s
10 spool_directory = DIR/spool
11 log_file_path = DIR/spool/log/SERVER%slog
13 gecos_name = CALLER_NAME
16 S1 = FX/exim-ca/example.com/server1.example.com
19 CERT1 = S1/server1.example.com.pem
20 KEY1 = S1/server1.example.com.unlocked.key
25 # ----- Main settings -----
27 acl_smtp_rcpt = accept
29 log_selector = +tls_peerdn+tls_certificate_verified
34 tls_advertise_hosts = *
36 # Set certificate only if server
38 tls_certificate = ${if eq {SERVER}{server}{CERT1}fail}
39 tls_privatekey = ${if eq {SERVER}{server}{KEY1}fail}
42 tls_verify_certificates = ${if eq {SERVER}{server}{CERT2}fail}
51 condition = ${if eq {SERVER}{server}{yes}{no}}
58 transport = send_to_server_failcert
65 transport = send_to_server_retry
71 transport = send_to_server_crypt
77 transport = send_to_server_req_fail
83 transport = send_to_server_req_failname
89 transport = send_to_server_req_passname
92 # ----- Transports -----
96 # this will fail to verify the cert at HOSTIPV4 so fail the crypt requirement
97 send_to_server_failcert:
101 hosts_require_tls = HOSTIPV4
103 tls_certificate = CERT2
104 tls_privatekey = CERT2
106 tls_verify_certificates = CA2
108 # this will fail to verify the cert at HOSTIPV4 so fail the crypt, then retry on 127.1; ok
109 send_to_server_retry:
112 hosts = HOSTIPV4 : 127.0.0.1
113 hosts_require_tls = HOSTIPV4
115 tls_certificate = CERT2
116 tls_privatekey = CERT2
118 tls_verify_certificates = \
119 ${if eq{$host_address}{127.0.0.1}{CA1}{CA2}}
121 # this will fail to verify the cert but continue unverified though crypted
122 send_to_server_crypt:
126 hosts_require_tls = HOSTIPV4
128 tls_certificate = CERT2
129 tls_privatekey = CERT2
131 tls_verify_certificates = CA2
132 tls_try_verify_hosts = *
134 # this will fail to verify the cert at HOSTNAME and fallback to unencrypted
135 # Fail due to lack of correct CA
136 send_to_server_req_fail:
141 tls_certificate = CERT2
142 tls_privatekey = CERT2
144 tls_verify_certificates = CA2
147 # this will fail to verify the cert name and fallback to unencrypted
148 # fail because the cert is "server1.example.com" and the test system is something else
149 send_to_server_req_failname:
154 tls_certificate = CERT2
155 tls_privatekey = CERT2
157 tls_verify_certificates = CA1
158 tls_verify_cert_hostnames = *
161 # this will pass the cert verify including name check
162 # our stunt DNS has an A record for server1.example.com -> HOSTIPV4
163 send_to_server_req_passname:
166 hosts = server1.example.com
168 tls_certificate = CERT2
169 tls_privatekey = CERT2
171 tls_verify_certificates = CA1
172 tls_verify_cert_hostnames = *