Remove mail address (#1621)

README.md

@@ -269,7 +269,7 @@ You can get the _Bearer Token_ via `GET http://localhost:3333/api/v1/auth/anonym
 
 Ghostfolio is **100% free** and **open source**. We encourage and support an active and healthy community that accepts contributions from the public - including you.
 
-Not sure what to work on? We have got some ideas. Please join the Ghostfolio [Slack channel](https://join.slack.com/t/ghostfolio/shared_invite/zt-vsaan64h-F_I0fEo5M0P88lP9ibCxFg), tweet to [@ghostfolio\_](https://twitter.com/ghostfolio_) or send an e-mail to hi@ghostfol.io. We would love to hear from you.
+Not sure what to work on? We have got some ideas. Please join the Ghostfolio [Slack channel](https://join.slack.com/t/ghostfolio/shared_invite/zt-vsaan64h-F_I0fEo5M0P88lP9ibCxFg) or tweet to [@ghostfolio\_](https://twitter.com/ghostfolio_). We would love to hear from you.
 
 If you like to support this project, get [**Ghostfolio Premium**](https://ghostfol.io/en/pricing) or [**Buy me a coffee**](https://www.buymeacoffee.com/ghostfolio).
 

apps/client/src/app/pages/about/about-page.html

@@ -42,9 +42,11 @@
             href="https://twitter.com/ghostfolio_"
             title="Tweet to Ghostfolio on Twitter"
             >@ghostfolio_</a
+          ><ng-container *ngIf="hasPermissionForSubscription"
             >, send an e-mail to
             <a href="mailto:hi@ghostfol.io" title="Send an e-mail"
               >hi@ghostfol.io</a
+            ></ng-container
           >
           or open an issue at
           <a