28 lines
906 B
Plaintext
28 lines
906 B
Plaintext
sign_condition =<<EOD
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return function(task)
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local from = task:get_from('smtp')
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local rspamd_logger = require "rspamd_logger"
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if not task:get_user() then
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rspamd_logger.infox(task, "Skip DKIM signing for unauthorized user")
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return false
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end
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if from and from[1]['addr'] then
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lastAtSymbol = from[1]['addr']:find("[^%@]+$")
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local domain = from[1]['addr']:sub(lastAtSymbol, #from[1]['addr'])
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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, "DKIM signing mail for authorized user of 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, "Authorized user, but no key file for domain %s - skipped DKIM signing", domain)
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end
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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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