Re: [exim4] mixed up about terminology
On 10/6/2014 1:06 PM, Brian wrote:
> On Mon 06 Oct 2014 at 11:05:17 -0400, Jerry Stuckle wrote:
>
>> On 10/6/2014 10:25 AM, Brian wrote:
>>> On Mon 06 Oct 2014 at 09:04:14 -0400, Jerry Stuckle wrote:
>>>
>>>> On 10/5/2014 11:31 PM, Chris Bannister wrote:
>>>>>
>>>>> 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.
>>>>
>>>> One correction - all MTAs *CAN* act as relays. But sending a message
>>>> from the sender's MTA to the recipient's MTA is generally not considered
>>>> "relaying". A relay would be when there is a third (or fourth or
>>>> fifth...) MTA between the sender's and recipient's.
>>>
>>> This has prompts one to consider at what point in a ten person relay
>>> race could "relaying" be regarded as starting.
>>
>> What does this have to do with MTA setup? Are you just trying to cover
>> up your ignorance by changing the subject.
>
> I was bemused by your interpretation of the common English word "relay"
> and fell into a state of deep contemplation. Promise it won't happen
> again.
>
>>>> Only under special conditions would a relay be required. The most
>>>> obvious one I can think of is a large company with multiple sites; all
>>>> mail would go to ???@example.com, which would be one MTA. But this MTA
>>>> would then relay messages to MTAs at local sites around the world. And
>>>> the reverse would happen for messages being sent by employees.
>>>
>>> All the OP wants to do is set up a smarthost for clients on his home
>>> network. Now he's informed it doesn't meet the "special conditions"
>>> criterion.
>>
>> Then why are you suggesting he set up dc_relay_nets? Maybe because you
>> don't know what you're talking about?
>
> You'll have noticed the suggestion for dc_relay_nets hasn't just been
> made by me in this thread. We'll start with what the OP said earlier:
>
> > I do want to be able to use this server as the smart host for my other
> > lan machines.
>
> Then a quick look at update-exim4.conf(8):
>
> dc_relay_nets
> A list of machines for which we serve as smarthost.
>
> That looks ideal, doesn't it?
>
>
Right. But he's not running multiple MTAs - he only has the one, as he
already indicated.
Jerry
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