62 lines
1.8 KiB
Lua
62 lines
1.8 KiB
Lua
-- Thanks to https://raw.githubusercontent.com/fatalbanana
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local lua_maps = require 'lua_maps'
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local rspamd_regexp = require 'rspamd_regexp'
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local rspamd_util = require 'rspamd_util'
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local ivm_sendgrid_ids = lua_maps.map_add_from_ucl(
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'https://www.invaluement.com/spdata/sendgrid-id-dnsbl.txt',
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'set',
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'Invaluement Service Provider DNSBL: Sendgrid IDs'
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)
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local ivm_sendgrid_envfromdomains = lua_maps.map_add_from_ucl(
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'https://www.invaluement.com/spdata/sendgrid-envelopefromdomain-dnsbl.txt',
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'set',
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'Invaluement Service Provider DNSBL: Sendgrid envelope domains'
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)
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local cb_id = rspamd_config:register_symbol({
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name = 'IVM_SENDGRID',
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callback = function(task)
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-- Is it Sendgrid?
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local sg_hdr = task:get_header('X-SG-EID')
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if not sg_hdr then return end
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-- Get original envelope from
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local env_from = task:get_from{'smtp', 'orig'}
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if not env_from then return end
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-- Check normalised domain in domains list
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if ivm_sendgrid_envfromdomains and ivm_sendgrid_envfromdomains:get_key(rspamd_util.get_tld(env_from[1].domain)) then
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task:insert_result('IVM_SENDGRID_DOMAIN', 1.0)
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end
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-- Check ID in ID list
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local lp_re = rspamd_regexp.create_cached([[^bounces\+(\d+)-]])
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local res = lp_re:search(env_from[1].user, true, true)
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if not res then return end
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if ivm_sendgrid_ids and ivm_sendgrid_ids:get_key(res[1][2]) then
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task:insert_result('IVM_SENDGRID_ID', 1.0)
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end
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end,
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description = 'Invaluement Service Provider DNSBL: Sendgrid',
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type = 'callback',
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})
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rspamd_config:register_symbol({
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name = 'IVM_SENDGRID_DOMAIN',
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parent = cb_id,
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group = 'ivmspdnsbl',
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score = 8.0,
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type = 'virtual',
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})
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rspamd_config:register_symbol({
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name = 'IVM_SENDGRID_ID',
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parent = cb_id,
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group = 'ivmspdnsbl',
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score = 8.0,
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type = 'virtual',
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})
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