Classification (Please choose one option):

• Crash/Hang/Data loss
• WebUI/Usability
• Serious bug
• Other bug
• Feature
• Enhancement

Reproducibility (Please choose one option):

• Always
• Sometimes
• Rarely
• Unable
• I didn’t try
• Not applicable

Rspamd version:

1.7.3, 1.7.4

Description (Please provide a descriptive summary of the issue):

dkim_signing/sing_networks problem. the same for arc.

Expected results:

$ rspamadm configtest
syntax OK

Actual results:

$ rspamadm configtest
map has static backend but no data field
invalid radix map static
syntax OK

$ service rspamd reload
log:
2018-05-03 21:57:29 #11788(main) ; cfg; lua_config_radix_from_ucl: invalid radix map static

$ rspamadm configdump
map has static backend but no data field
invalid radix map static

but config dump has:
dkim_signing {
...
sign_networks [
"127.0.0.1",
]
...
}

Configuration:

/etc/rspamd/local.d/dkim_signing.conf:
sign_networks = [127.0.0.1];