# How to determine SMTP setting from Exim?

**URL:** <https://meta.discourse.org/t/how-to-determine-smtp-setting-from-exim/53941>\
**Category:** Self-hosting\
**Created:** [Décembre 7, 2016, 10:24 UTC](https://meta.discourse.org/t/how-to-determine-smtp-setting-from-exim/53941 "2016-12-07T22:24:59Z")\
**Posts on this page:** 1\
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**Author:** ![Fran](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/fran/32/121415_2.png) [@Fran](https://meta.discourse.org/u/Fran)\
**Post date:** [Décembre 7, 2016, 10:24 UTC](https://meta.discourse.org/t/how-to-determine-smtp-setting-from-exim/53941/1 "2016-12-07T22:24:59Z")

</div>

I’m about to try the Docker install on a linux box running Exim. I’m reading the guide in pre-flight mode, trying to make sure I understand the process before starting. I come to the SMTP setting part:

```
SMTP server address? [smtp.example.com]: 
SMTP user name? [postmaster@discourse.example.com]: 
SMTP port [587]:
SMTP password? []:

```

And I don’t know where to get the exact values to put in these. I scanned the massive Exim config files in /etc, where I found:

in the local file:  
daemon\_smtp\_ports = 25 : 26 : 465 : 587

And nothing else that looks remotely like the options in the sample. I did a few hours of web searching for “smtp setting exim” and so on, but nothing was even close. The above values are utterly meaningless to me, three of the four have values but convey no information about what is expected or why those values were chosen. Given the large number of questions about email settings I find here, I’d expect there to be some docs that go into detail and help those of us who have never configured a mail server or depended on that configuration. Is there a document I’ve overlooked?

Thanks.

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