Sure, thank's a lot everybody, i think the problem is related to:
warning: mysql query failed: Illegal mix of collations
(latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) operation '='
that cause
warning: transport_maps lookup failure
Someone suggest to forse use latin 1 in sql
like =CONVERT('%s' USING latin1) for mysql transport table
but is it correct?
In reality i don't use mysql-transport table can elide it.
Il 04/02/2011 16:39, Reindl Harald ha scritto:
Am 04.02.2011 16:32, schrieb [email protected]:
So you have a local caching-resolver on the Postfix box?
If so it should not fail because of traffic as long as your system resources
are not exhausted.
If your system resources are exhausted using a different resolver does not help.
You might playing tricks with a local caching-resolver used by internal clients
and
pointing /etc/resolv.conf to
some second (external) resolver but i doubt this is your problem at all
Even if dns-load would be the problem (which is not, it is mysql seen some
posts before)
the real problem should be searched because nohting is better for a dns.cache as
a mailserver to get the cache filled
But i never seen any machine where dns-lookups where a load problem
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