+### No certificate, certificate required
Connecting to ip4.ip4.ip4.ip4 port 1225 ... connected
??? 220
<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
pppp:error:dddddddd:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:[...]:SSL alert number 40
Failed to start TLS
End of script
+### No certificate, certificate optional at TLS time, required by ACL
Connecting to 127.0.0.1 port 1225 ... connected
??? 220
<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
??? 221
<<< 221 myhost.test.ex closing connection
End of script
+### Good certificate, certificate required
Connecting to ip4.ip4.ip4.ip4 port 1225 ... connected
-Certificate file = aux-fixed/cert2
-Key file = aux-fixed/cert2
+Certificate file = aux-fixed/exim-ca/example.com/server1.example.com/server1.example.com.chain.pem
+Key file = aux-fixed/exim-ca/example.com/server1.example.com/server1.example.com.unlocked.key
??? 220
<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
>>> ehlo rhu.barb
??? 221
<<< 221 myhost.test.ex closing connection
End of script
+### Good certificate, certificate optional at TLS time, checked by ACL
Connecting to 127.0.0.1 port 1225 ... connected
-Certificate file = aux-fixed/cert2
-Key file = aux-fixed/cert2
+Certificate file = aux-fixed/exim-ca/example.com/server1.example.com/server1.example.com.chain.pem
+Key file = aux-fixed/exim-ca/example.com/server1.example.com/server1.example.com.unlocked.key
??? 220
<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
>>> ehlo rhu.barb
??? 221
<<< 221 myhost.test.ex closing connection
End of script
+### Bad certificate, certificate required
Connecting to ip4.ip4.ip4.ip4 port 1225 ... connected
-Certificate file = aux-fixed/cert1
-Key file = aux-fixed/cert1
+Certificate file = aux-fixed/exim-ca/example.net/server1.example.net/server1.example.net.chain.pem
+Key file = aux-fixed/exim-ca/example.net/server1.example.net/server1.example.net.unlocked.key
??? 220
<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
>>> ehlo rhu.barb
pppp:error:dddddddd:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca:[...]:SSL alert number 48
Failed to start TLS
End of script
+### Bad certificate, certificate optional at TLS time, reject at ACL time
Connecting to 127.0.0.1 port 1225 ... connected
-Certificate file = aux-fixed/cert1
-Key file = aux-fixed/cert1
+Certificate file = aux-fixed/exim-ca/example.net/server1.example.net/server1.example.net.chain.pem
+Key file = aux-fixed/exim-ca/example.net/server1.example.net/server1.example.net.unlocked.key
??? 220
<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
>>> ehlo rhu.barb
??? 250
<<< 250 OK
>>> rcpt to:<userx@test.ex>
-??? 550-
-<<< 550-certificate not verified: peerdn=/C=UK/O=The Exim Maintainers/OU=Test
??? 550
-<<< 550 Suite/CN=Phil Pennock
+<<< 550 certificate not verified: peerdn=/CN=server1.example.net
>>> quit
??? 221
<<< 221 myhost.test.ex closing connection
End of script
+### Otherwise good but revoked certificate, certificate required
Connecting to ip4.ip4.ip4.ip4 port 1225 ... connected
-Certificate file = aux-fixed/cert2
-Key file = aux-fixed/cert2
+Certificate file = aux-fixed/exim-ca/example.com/revoked1.example.com/revoked1.example.com.chain.pem
+Key file = aux-fixed/exim-ca/example.com/revoked1.example.com/revoked1.example.com.unlocked.key
??? 220
<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
>>> ehlo rhu.barb
pppp:error:dddddddd:SSL routines:ssl3_read_bytes:sslv3 alert certificate revoked:[...]:SSL alert number 44
Failed to start TLS
End of script
+### Revoked certificate, certificate optional at TLS time, reject at ACL time
Connecting to 127.0.0.1 port 1225 ... connected
-Certificate file = aux-fixed/cert1
-Key file = aux-fixed/cert1
+Certificate file = aux-fixed/exim-ca/example.com/revoked1.example.com/revoked1.example.com.chain.pem
+Key file = aux-fixed/exim-ca/example.com/revoked1.example.com/revoked1.example.com.unlocked.key
??? 220
<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
>>> ehlo rhu.barb
??? 250
<<< 250 OK
>>> rcpt to:<userx@test.ex>
-??? 550-
-<<< 550-certificate not verified: peerdn=/C=UK/O=The Exim Maintainers/OU=Test
??? 550
-<<< 550 Suite/CN=Phil Pennock
+<<< 550 certificate not verified: peerdn=/CN=revoked1.example.com
>>> quit
??? 221
<<< 221 myhost.test.ex closing connection
End of script
+### Good certificate, certificate required - but nonmatching CRL also present
+Connecting to ip4.ip4.ip4.ip4 port 1225 ... connected
+Certificate file = aux-fixed/exim-ca/example.com/server1.example.com/server1.example.com.chain.pem
+Key file = aux-fixed/exim-ca/example.com/server1.example.com/server1.example.com.unlocked.key
+??? 220
+<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+>>> ehlo rhu.barb
+??? 250-
+<<< 250-myhost.test.ex Hello rhu.barb [ip4.ip4.ip4.ip4]
+??? 250-
+<<< 250-SIZE 52428800
+??? 250-
+<<< 250-8BITMIME
+??? 250-
+<<< 250-PIPELINING
+??? 250-
+<<< 250-STARTTLS
+??? 250
+<<< 250 HELP
+>>> starttls
+??? 220
+<<< 220 TLS go ahead
+Attempting to start TLS
+SSL connection using ke-RSA-AES256-SHA
+Succeeded in starting TLS
+>>> mail from:<userx@test.ex>
+??? 250
+<<< 250 OK
+>>> rcpt to:<userx@test.ex>
+??? 250
+<<< 250 Accepted
+>>> quit
+??? 221
+<<< 221 myhost.test.ex closing connection
+End of script
+
+******** SERVER ********
+### No certificate, certificate required
+### No certificate, certificate optional at TLS time, required by ACL
+### Good certificate, certificate required
+### Good certificate, certificate optional at TLS time, checked by ACL
+### Bad certificate, certificate required
+### Bad certificate, certificate optional at TLS time, reject at ACL time
+### Otherwise good but revoked certificate, certificate required
+### Revoked certificate, certificate optional at TLS time, reject at ACL time
+### Good certificate, certificate required - but nonmatching CRL also present