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sink.lua
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sink.lua
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-- This config acts as a sink that will discard all received mail
local kumo = require 'kumo'
kumo.on('init', function()
kumo.configure_accounting_db_path(os.tmpname())
-- Define a listener.
-- Can be used multiple times with different parameters to
-- define multiple listeners!
for _, port in ipairs { 2026 } do
kumo.start_esmtp_listener {
listen = '0:' .. tostring(port),
relay_hosts = { '0.0.0.0/0' },
}
end
kumo.start_http_listener {
listen = '0.0.0.0:8002',
trusted_hosts = { '127.0.0.1', '::1', '192.168.1.0/24' },
}
-- Define the default "data" spool location.
-- This is unused by this config, but we are required to
-- define a default spool location.
kumo.define_spool {
name = 'data',
path = '/tmp/kumo-sink/data',
}
-- Define the default "meta" spool location.
-- This is unused by this config, but we are required to
-- define a default spool location.
kumo.define_spool {
name = 'meta',
path = '/tmp/kumo-sink/meta',
}
end)
kumo.on('smtp_server_message_received', function(msg)
-- Accept and discard all messages
msg:set_meta('queue', 'null')
end)
kumo.on('http_message_generated', function(msg)
-- Accept and discard all messages
msg:set_meta('queue', 'null')
end)