[clamav-users] clamav-milter: ClamAV, mi_rd_cmd: read returned -1: Connection reset by peer

Dennis Peterson dennispe at inetnw.com
Mon Mar 17 10:53:15 EDT 2014

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.


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