DEFCONF(certlist,
<:m4_ifelse(t, m4_ifelse(MODE, hub, nil, MODE, srv, nil, t),
<:CONF_sysconf_dir/server.certlist:>,
-<:CONF_sysconf_dir/${if match_ip{$sender_host_address}{+trusted} \
- {server}{letsencrypt}}.certlist:>):>)
+<:CONF_sysconf_dir/${if ={$received_port}{CONF_submission_port}{server}\
+ {${if match_ip{$sender_host_address}{+trusted} \
+ {server}{letsencrypt}}}}.certlist:>):>)
## TLS-related settings. We're assuming GNUTLS here, rather than OpenSSL.
## For local connections we are very strict. For random clients, we try