diff --git a/you-and-hifis/index.md b/you-and-hifis/index.md
index fb1df2cbadc8f9d8282bf527797a37262ec15046..bf0ccb91f1f711326584ef0fc8efd811e4703370 100644
--- a/you-and-hifis/index.md
+++ b/you-and-hifis/index.md
@@ -28,7 +28,7 @@ Based on an evaluation matrix with a list of selection criteria, approximately 2
 
 The most promising candidates so far are e.g. JupyterHub, OpenStack, GitLab, Storage on demand, Sync&Share, Kubernetes, Redmine, LimeSurvey, Mattermost, Rocket.Chat, Zammad, Singularity, etc.
 
-The first IT services are expected to be technically available by the end of 2020. Please [contact us](mailto:contact@hifis.net) if you are interested in using them.
+The first IT services are expected to be technically available by the end of 2020. Please [contact us](mailto:{{ site.contact_mail }}) if you are interested in using them.
 
 #### Becoming Service Provider for a new Service
 You have a new IT service, application or program and you would like to provide it to other users via the Helmholtz Cloud, e.g. another Helmholtz Centre or a European partner organization?
@@ -36,7 +36,8 @@ You have a new IT service, application or program and you would like to provide
 Please get in touch with us. The portfolio of the Helmholtz Cloud will be continuously expanded and updated.
 
 #### Your feedback about the service portfolio
-Your contribution is very valuable to us. We would like to exchange views with our users on a regular basis in order optimize the composition of the service portfolio continuously. [Please write to us](mailto:contact@hifis.net) if we may contact you.
+Your contribution is very valuable to us. We would like to exchange views with our users on a regular basis in order optimize the composition of the service portfolio continuously. 
+[Please write to us](mailto:{{ site.contact_mail }}) if we may contact you.
 
 #### Helmholtz Cloud Service Portfolio
 The Helmholtz Cloud will appear as a federated cloud. All services are hosted by one of the 19 Helmholtz centers. There will be some services that are available for all Helmholtz employees. But in many cases, it will be unavoidable to sign an additional agreement between the providing center and the using organization. So, the services you can use will depend if the agreements between your organization and the providing Helmholtz center exists.