Mar 2022 / Tutorial Mail Security: MTA-STS + Mailcow MTA-STS is a security mechanism to prevent attackers from rerouting, reading and modifying your emails. Read how to use MTA-STS with mailcow.
Sep 2020 / Tools Nextcloud 19 Server: Allow iframe / embedding from external Domains If you host your own Nextcloud 19 server and you try to embed the content from other URLs or domains via an iframe or other HTML elements it doesn't work. The solution for the problem is briefly described in this blog post.
