# SSL with ZeroSSL.com

**URL:** <https://discourse.mailinabox.email/t/ssl-with-zerossl-com/3884>\
**Category:** Maintenance\
**Created:** [October 24, 2018, 7:53am UTC](https://discourse.mailinabox.email/t/ssl-with-zerossl-com/3884 "2018-10-24T07:53:10Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![just4t](https://discourse.mailinabox.email/user_avatar/discourse.mailinabox.email/just4t/32/1838_2.png) [@just4t](https://discourse.mailinabox.email/u/just4t)\
**Post date:** [October 24, 2018, 8:22am UTC](https://discourse.mailinabox.email/t/ssl-with-zerossl-com/3884/2 "2018-10-24T08:22:13Z")

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> [@marcosmatas](#):
>
> .well-known/acme-challenge/  
> ¿Where is this directory? ¿Where can i put the file?

Check your `/etc/nginx/conf.d/local.conf` file and see (around line 36) this location is aliased as follows:

```
    location /.well-known/acme-challenge/ {
		# This path must be served over HTTP for ACME domain validation.
		# We map this to a special path where our TLS cert provisioning
		# tool knows to store challenge response files.
		alias /home/user-data/ssl/lets_encrypt/webroot/.well-known/acme-challenge/;
	}

```

Then, the real location you asked for is:

```
/home/user-data/ssl/lets_encrypt/webroot/.well-known/acme-challenge/

```

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