> On Dec 11, 2016, at 3:25 AM, Dominic Raferd <[email protected]> wrote:
>
> In general my postfix mail server is working well, it is receiving
> emails with optional STARTTLS. But I am occasionally seeing an error
> message like this in the log:
>
> 2016-12-11 00:32:19 dl1 postfix/smtpd[13665]: SSL_accept error from
> unknown[14.215.156.100]: lost connection
>
> The connection giving rise to the error is never from one of our
> machines/users. Should I be worried about it? Does it indicate some
> bad configuration on my side?
No PTR record, SOA in China. Unless you have delayed correspondence
from that province:
215.14.in-addr.arpa. 39413 IN SOA soa. dns.guangzhou.gd.cn
on the Internet stuff happens. Nothing to see, move along...
--
Viktor.
