DKIM_CANON = relaxed
DKIM_SELECTOR = listsdkim
DKIM_DOMAIN = lists.example.com
DKIM_PRIVATE_KEY = /etc/exim4/tls.d/private.pem
smtp_banner = lists.example.com
REMOTE_SMTP_HELO_DATA = lists.example.com
MAIN_TLS_ENABLE = true
REMOTE_SMTP_SMARTHOST_HOSTS_REQUIRE_TLS = *
# DAEMON_SMTP_PORTS and TLS_ON_CONNECT_PORTS var need to be lowercase
daemon_smtp_ports = 25 : 465 : 587
tls_on_connect_ports = 465 : 587
# Declare the official primary_hostname to reduce container level complexity
MAIN_HARDCODE_PRIMARY_HOSTNAME = lists.example.com
#CHECK_RCPT_SPF = true