Hi,

just a quick question regarding transport_maps.

I've read documentation on http://www.postfix.org/postconf.5.html#transport_maps, but cannot understand what actually happens during postfix lookups, when transport_maps is being specified as:

transport_maps = type:A, type:B

Would postfix query first table A and if not getting a match, moves to query table B ? If the transport given by table A defers the email (eg by connection timeout), would postfix use the results from table B?

In my case I've

transport_maps = hash:/etc/postfix/transport, tcp:[127.0.0.1]:9999

The first table is just an hash: table (domain => transport), while the second one randomly reports a transport beetwen a limited set, in order to provide outgoing random transport usage. I'm noticing that mail which should be forcibly directed to a specific transport by the hash: table (and postmap -q confirms), gets after a defer (eg. connection timeout), moved to one of the transports provided by the "randomizer".

If more data is needed, I'd post main.cf and master.cf and the randomizing script code (very short).

Thanks in advance, for your time

    Angelo





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