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Steve  
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 More options Apr 30 2012, 2:49 am
Newsgroups: comp.mail.sendmail
Followup-To: comp.mail.sendmail
From: Steve <nore...@crap.com>
Date: Mon, 30 Apr 2012 08:49:56 +0200
Local: Mon, Apr 30 2012 2:49 am
Subject: Re: Sendmail -> Sending directly
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Hi Robert,

The problem is that I have no idea what can be the problem and I don't know
where to look for...

Today, our email server is using our ISP email server...        [
define(`SMART_HOST', `smtp.example.com')dnl ]

But I would really prefer to deliver directly WITHOUT using the server of
somebodyelse.
So, I tried to do a direct delivery. but that didn't work and I don't know
why....emails are coming back, saying that it couldn't delivered from the
adress IP....etc....

If Sendmail can deliver properly, using the ISP email server, it should be
OK to deliver directly..( I guess )
I suppose, that this is a (Sendmail+DNS) problem...

That's why I asked the question whether the Reverse MX record could be a
problem... because except that... I have no idea of what could be the
problem using Sendmail that way

I've made some research on DNS problem...( for sending emails .. ) but at
the moment, I didn't find any way to modify my own Reverse MX record... ( in
that case, I understand that I need also to go to a DNS Newsgroup.

Robert Bonomi wrote:
> In article <4f9a5153$0$13188$426a7...@news.free.fr>,
> Steve  <nore...@crap.com> wrote:
>>Hi Again,

>>Following my previous question : Question on "Mail Queue" and "sending"

> "It is well known that one horse can run faster than another.
>  But *WHICH* horse?  Small differences are _important_."
> -- Lazarus Long  (as recorded by R.A.H.)

> You don't provide enough _detailed_ information for anyone to provide
> useful/constructive answers to your questions.

>>I would love to send email DIRECTLY, without using my email server's
>>provider. I tried, but emails canot reach the destination..
>>and we are using our own DNS server....

>>If I have a look on IntoDNS ( http://www.intodns.com/ )
>>I can see that only ONE part is "red".. which is the : " Reverse MX A
>>record", which is not correcly confirgured.

>>- Do you think that this could be the problem of sending email in direct
>>??? - or do you think that this issue wouldn't be the "reverse MX A
>>record" ?

> "Yes."  one of the above.

>>Our Internet provider doesn't block the port 25

>>2) Let suppose that our provider block the port 25. and I decide to listen
>>to the port 26
>>May I have receive emails ?

> If you do things wrong, they will *NOT* work.

> If your provider blocks -outgoing- 'port 25', that does *NOT*NECESSARILY*
> mean that they block -incoming- 'port 25'.

> It is entirely possible to receive on port 25, while being unable to send
> to somebody else's port 26.

>>                            Any sender will send to the port 25 so, I
>>                            should
>>receive nothing.. is that correct ?

> You do appear to have a vague grasp of the concept that if you do things
> the wrong way that they will not work.


 
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