[CentOS] Using postfix in CentOS 6 to relay mails to First.Last at gmail.com

[John Doe]

From: Alexander Farber <alexander.farber at gmail.com>

> So I have setup the MX-records for my domains:
> # host videoskat.de
> videoskat.de has address 176.9.40.169
> videoskat.de mail is handled by 100 static.103.78.9.176.clients.your-server.de.
> videoskat.de mail is handled by 10 preferans.de.

Tried both MXs and none answered...

$ telnet preferans.de 25
Trying 176.9.40.169...
$ telnet static.103.78.9.176.clients.your-server.de 25
Trying 176.9.78.103...

JD