Am 09.03.2012 15:55, schrieb Nikolaos Milas: > Hi, > > Today somebody (user1, see below) sent a message from outside to our org. Our > gateway server (Cisco Ironport C-160: > mailgw.admin.noa.gr) received the message which had 9 recipients, of which > one in an outside domain, one in the > @astro.noa.gr domain and 7 in the @noa.gr domain. Those last 8 messages were > forwarded to our final Postfix server > (2.8.3 on CentOS 5.7 x86_64) for delivery. > > The one in the @astro.noa.gr domain(user2)was delivered fine. The other 7 > bounced with the message: "5.x.0 - > Message bounced by administrator ('000', []) "
i doubt this is not a postfix-message additionally your postfix log does not contain anything interesting it seems to be filtered only for lines containing the queue-id
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