On 3/17/14, 7:43 AM, Marco wrote:

I don't see log on Postfix correlated to these warning.
Just two or three error a day like this, really:

2014-03-17T12:47:34.538025+01:00 postfix2 postfix/smtpd[17215]: warning: milter inet:example.com:7357: can't read SMFIC_MAIL reply packet header: Connection reset by peer

It is not uncommon for spambots to drop a connection before your system sends the final response accepting or rejecting the message. They drop the connection as soon as the last byte is sent - they really don't care about formalities. That may be what you are seeing.

dp
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