Nachfolgend die IP-Adressen der Kundenserver, von denen GMX-Kunden E-Mails versenden.
| IP-Adresse | Name |
|---|---|
| 212.227.15.15 | mout.gmx.net |
| 212.227.15.18 | mout.gmx.net |
| 212.227.15.19 | mout.gmx.net |
| 212.227.17.20 | mout.gmx.net |
| 212.227.17.21 | mout.gmx.net |
| 212.227.17.22 | mout.gmx.net |
| 212.227.15.44 | mout-bounce.gmx.net |
| 212.227.15.45 | mout-bounce.gmx.net |
| 212.227.15.46 | mout-bounce.gmx.net |
| 212.227.17.26 | mout-bounce.gmx.net |
| 212.227.17.28 | mout-bounce.gmx.net |
| 212.227.17.29 | mout-bounce.gmx.net |
| IP-Adresse | Name |
|---|---|
| 82.165.159.12 | mout-xforward.gmx.net |
| 82.165.159.13 | mout-xforward.gmx.net |
| 82.165.159.14 | mout-xforward.gmx.net |
| 82.165.159.40 | mout-xforward.gmx.net |
| 82.165.159.41 | mout-xforward.gmx.net |
| 82.165.159.42 | mout-xforward.gmx.net |