CDIR1 = DIR/aux-fixed/exim-ca/example.net/server1.example.net
CDIR2 = DIR/aux-fixed/exim-ca/example.com/server1.example.com
.ifdef CERT
tls_certificate = CERT
.else
CDIR1 = DIR/aux-fixed/exim-ca/example.net/server1.example.net
CDIR2 = DIR/aux-fixed/exim-ca/example.com/server1.example.com
.ifdef CERT
tls_certificate = CERT
.else