35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
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sign_condition =<<EOD
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return function(task)
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local smtp_from = task:get_from('smtp')
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local mime_from = task:get_from('mime')
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local rspamd_logger = require "rspamd_logger"
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if smtp_from[1]['domain'] ~= nil and smtp_from[1]['domain'] ~= '' then
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domain = smtp_from[1]['domain']
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rspamd_logger.infox(task, "set domain found in smtp from field to %s", domain)
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if not task:get_user() then
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rspamd_logger.infox(task, "found domain in smtp header field, but user is not authenticated - skipped")
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return false
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end
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elseif mime_from[1]['domain'] ~= nil and mime_from[1]['domain'] ~= '' then
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domain = mime_from[1]['domain']
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rspamd_logger.infox(task, "set domain found in mime from field to %s", domain)
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else
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rspamd_logger.infox(task, "cannot determine domain for dkim signing")
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return false
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end
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local keyfile = io.open("/data/dkim/keys/" .. domain .. ".dkim")
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if keyfile then
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rspamd_logger.infox(task, "found dkim key file for domain %s", domain)
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keyfile:close()
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return {
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key = "/data/dkim/keys/" .. domain .. ".dkim",
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domain = domain,
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selector = "dkim"
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}
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else
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rspamd_logger.infox(task, "no key file for domain %s - skipped", domain)
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end
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return false
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end
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EOD;
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