HowTo: Nullmailer local site delivery

von admin | Jan 9, 2015 | Linux Hosts

Nullmailer

Choose a local domain to be used
e.g. cave.local
Add the local server to the desired smarthosts dns or hosts file:
e.g. server.cave.local
Set the mailname of the local server to the same name (hostname can be whatever you want)
```
# /etc/mailname
server.cave.local
```

Set the forward- or targetaddress for any mail

# /etc/nullmailer/adminaddr
somebody@germany.de

Set the local default domain to the domain from step 1
```
# /etc/nullmailer/defaultdomain
cave.local
```
Edit delivery target, user and password (connection can be secured by using the vpn or add –ssl and import the needed certificates)
```
# /etc/nullmailer/remotes
target.server.at.vpn smtp --user=name@cave.local --pass=<password> [--ssl [--insecure]]
```
Stop nullmailer use testmail.sh and nullmailer-send to debug.

/sbin/testmail.sh

#! /bin/bash
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

cat <<EOF | sendmail root
Subject: Testmail

Server $(hostname -f)
DateTime $(date)
.
EOF