I think it's a connect and disconnect. I get them a lot. I'm not sure
what they are. If I telnet to my own server on port 25 from a remote
location and quit the telnet connection on port 25 right away it has the
same affect as you've posted in your email.
EricB
On 12/14/2014 4:32 PM, Peter Peltonen wrote:
Hi,
In my smtp log I see lots of this kind of connection entries:
@4000548e1bdf373b6974 tcpserver: pid 20363 from 103.225.128.9
@4000548e1bdf373b6d5c tcpserver: ok 20363 myserver:myip
:103.225.128.9::57521
These are coming from different IPs from 103.225.128.0/255.255.255.0 network
I blacklisted those in Spamdyke's blacklist_ip and I am not seeing
anything in my send log, so does that mean that those connections are
not delivering any messages or should I debug this further somehow?
Is iptables the only option to block those connections so they
wouldn't even cause a log entry?
Regards,
Peter
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