Mail Transfer Agent. Configuration is standard to allow for emails to be sent by programs / deamons / [[Nextcloud]] or others. Such a [[Configuring Postfix|system]] is required for every server to work correctly.
 
##### UFW
Firewall management, see [[Configuring UFW|here]] for more details.
 
---
 
#### Dedicated Server parameters
[[#^Top|TOP]]
 
| Service | Used value
|---------|:---------:
  |  
**Port: SSH** | 2227
**Port: WG** | 61242
 
---
 
#### VPN Service
[[#^Top|TOP]]
 
```ad-info
title: wireguard installer
[GitHub - angristan/wireguard-install: WireGuard VPN installer for Linux servers](https://github.com/angristan/wireguard-install)
```
 
##### File repository
```ad-path
title: Client Config files
/home/melchiorbv/wg0-client-(clientname).conf
```
```ad-path
title: Server Config file
/etc/wireguard/wg0.conf
```
 
##### VPN client parametrisation
[[#^Top|TOP]]
```ad-command
title: In `~` for `melchiorbv`
~~~bash
./wireguard-install.sh
~~~
```
 
##### VPN parameters
```ad-code
title: WireGuard config
~~~bash
IPv4 or IPv6 public address: 5.135.0.192
Public interface: eth0
WireGuard interface name: wg0
Server's WireGuard IPv4: 10.66.66.1
Server's WireGuard IPv6: fd42:42:42::1
Server's WireGuard port [1-65535]: 61242
First DNS resolver to use for the clients: 94.140.14.14
Second DNS resolver to use for the clients (optional): 94.140.15.15