Fix SSL conf.

10-ssl.conf

@@ -0,0 +1,58 @@
+##
+## SSL settings
+##
+
+# SSL/TLS support: yes, no, required. <doc/wiki/SSL.txt>
+ssl = required
+
+# PEM encoded X.509 SSL/TLS certificate and private key. They're opened before
+# dropping root privileges, so keep the key file unreadable by anyone but
+# root. Included doc/mkcert.sh can be used to easily generate self-signed
+# certificate, just make sure to update the domains in dovecot-openssl.cnf
+#ssl_cert = </etc/dovecot/dovecot.pem
+#ssl_key = </etc/dovecot/private/dovecot.pem
+
+# If key file is password protected, give the password here. Alternatively
+# give it when starting dovecot with -p parameter. Since this file is often
+# world-readable, you may want to place this setting instead to a different
+# root owned 0600 file by using ssl_key_password = <path.
+#ssl_key_password =
+
+# PEM encoded trusted certificate authority. Set this only if you intend to use
+# ssl_verify_client_cert=yes. The file should contain the CA certificate(s)
+# followed by the matching CRL(s). (e.g. ssl_ca = </etc/ssl/certs/ca.pem)
+#ssl_ca = 
+
+# Require that CRL check succeeds for client certificates.
+#ssl_require_crl = yes
+
+# Directory and/or file for trusted SSL CA certificates. These are used only
+# when Dovecot needs to act as an SSL client (e.g. imapc backend). The
+# directory is usually /etc/ssl/certs in Debian-based systems and the file is
+# /etc/pki/tls/cert.pem in RedHat-based systems.
+#ssl_client_ca_dir =
+#ssl_client_ca_file =
+
+# Request client to send a certificate. If you also want to require it, set
+# auth_ssl_require_client_cert=yes in auth section.
+#ssl_verify_client_cert = no
+
+# Which field from certificate to use for username. commonName and
+# x500UniqueIdentifier are the usual choices. You'll also need to set
+# auth_ssl_username_from_cert=yes.
+#ssl_cert_username_field = commonName
+
+# DH parameters length to use.
+#ssl_dh_parameters_length = 1024
+
+# SSL protocols to use
+#ssl_protocols = !SSLv2
+
+# SSL ciphers to use
+#ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:!aNULL
+
+# Prefer the server's order of ciphers over client's.
+#ssl_prefer_server_ciphers = no
+
+# SSL crypto device to use, for valid values run "openssl engine"
+#ssl_crypto_device =

Dockerfile

@@ -12,6 +12,7 @@ EXPOSE 4190
 COPY 10-master.conf /etc/dovecot/conf.d/
 COPY 10-logging.conf /etc/dovecot/conf.d/
 COPY 10-auth.conf /etc/dovecot/conf.d/
+COPY 10-ssl.conf /etc/dovecot/conf.d/
 #COPY 15-lda.conf /etc/dovecot/conf.d/
 COPY 20-lmtp.conf /etc/dovecot/conf.d/
 #COPY users /etc/dovecot/