############################################# # SMTP server resolver configuration ############################################# [resolver] type = "system" #preserve-intermediates = true concurrency = 2 timeout = "5s" attempts = 2 try-tcp-on-error = true public-suffix = ["https://publicsuffix.org/list/public_suffix_list.dat", "file://%{BASE_PATH}%/etc/spamfilter/maps/suffix_list.dat.gz"] [resolver.cache] txt = 2048 mx = 1024 ipv4 = 1024 ipv6 = 1024 ptr = 1024 tlsa = 1024 mta-sts = 1024