[main]
; Enable URIBL checking
enabled = true

; Timeout for DNS lookups (seconds)
timeout = 10

; Maximum number of hosts to check per message
max_uris_per_list = 20

; Should we check redirected URLs? (performance impact)
check_redirects = false

; Disable IPv6 lookups (often faster)
disable_ipv6 = true

[lists]
; SURBL Multi - Commercial spam URLs
; Score: 5 points for spam URLs
surbl.org = 5

; SpamHaus SBL-CSS - Known spam URLs  
; Score: 8 points (high confidence)
sbl.spamhaus.org = 8

; URIBL Black - Spam and malicious URLs
; Score: 6 points
black.uribl.com = 6

; URIBL Grey - Suspicious URLs (lower score)
; Score: 3 points
grey.uribl.com = 3

; DBL (Domain Block List) - SpamHaus domain reputation
; Score: 7 points  
dbl.spamhaus.org = 7

; Multi.URIBL.COM - Multiple reputation feeds
; Score: 4 points
multi.uribl.com = 4

[whitelist]
; Popular legitimate domains that might get false positives
; These domains will never be blocked
whitelist = google.com,microsoft.com,amazon.com,facebook.com,twitter.com,linkedin.com,github.com,stackoverflow.com,wikipedia.org,apple.com

[thresholds]
; Score at which to add headers but allow message
add_header = 3

; Score at which to soft reject (450 - try again later)  
soft_reject = 8

; Score at which to hard reject (550 - permanent failure)
hard_reject = 15

[headers]
; Add X-URIBL-Score header to show scoring
add_score_header = true

; Add X-URIBL-Lists header to show which lists matched
add_lists_header = true

; Add detailed X-URIBL-Report header
add_report_header = false

[reject]
; Enable rejection based on URIBL scores
enable_reject = true

; Custom rejection message
reject_msg = Message contains URLs listed in spam databases