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A collection of 2 posts

Mail Security: MTA-STS + Mailcow
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.

  • Alexander Droste
    Alexander Droste
4 min read
Nextcloud 19 Server: Allow iframe / embedding from external Domains
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.

  • Malte Hellmeier
    Malte Hellmeier
2 min read
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