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Re: SMTP relay issue with emails to specific domain



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On Fri, Sep 09, 2016 at 04:05:28PM -0300, Daniel Bareiro wrote:
> 
> 
> On 09/09/16 15:05, Stephan Beck wrote:

[...]

> Hmmmm... I do not quite understand this situation. That is, lkeusa.com
> asked to use SMTP authentication, but this would make sense if the email
> client connects directly to lkeusa.com for deliver the email. And this
> is not the case. The client connects to an intermediate server, the
> relay server, which is the one delivering the email to lkeusa.com. Or
> maybe I'm missing something?

What I miss from cursory reading of the other answers: the intermediate
server can also authenticate (playing the role of client) with the next
server. For exim, this is described in exim4_passwd_client(5)

Regards
- -- t
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