Re: [exim4] mixed up about terminology
On 10/6/2014 8:05 AM, Brian wrote:
> On Mon 06 Oct 2014 at 16:31:52 +1300, Chris Bannister wrote:
>
>> On Sun, Oct 05, 2014 at 11:16:18PM -0400, Harry Putnam wrote:
>>>
>>> So they would all be sending mail by way of server host.
>>>
>>> I guess that is not what is meant by relaying?
>>
>> Good point. Just to be pedantic all MTAs act as relays, but I think the
>> term being talked about is "open relay" IOW it's "open" for anybody to
>> use, spammers, guy next door etc. etc.
>
> Note that the OP is going to have something like 192.168.2.0/24 for
> dc_relay_nets. Even if exim was listening on an external interface (an
> empty dc_local_interfaces) exim is not set up to relay mail due to a
> connection on this interface.
>
> And then we have the bedtime stories to frighten the children: hordes of
> attempts to relay through a mail server. Like this one:
>
> 2014-10-06 07:19:44 H=114-43-21-85.dynamic.hinet.net (80.177.21.246) [114.43.21.85] F=<sdf2123@hotmail.com> rejected RCPT <sanjinn02@yahoo.com.tw>: relay not permitted
> 2014-10-06 07:19:45 unexpected disconnection while reading SMTP command from 114-43-21-85.dynamic.hinet.net (80.177.21.246) [114.43.21.85]
>
> There is more chance of the 0's and 1's of my exim binary spontaneously
> disassociating and reassembling into a copy of postfix than one of these
> getting through.
>
>
And there are people who think that setting up an MTA correctly is easy,
and then turn around and prove they have no idea what they're talking about.
Jerry
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