SendGrid, forwarding and DMARC policy

We have recently deployed a strict DMARC policy (p=reject; sp=reject) on our domains. While this adds greater security while sending e-mail and prevents spoofing, we noticed that certain mails forwarded within our organization stopped coming in.

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Best practices for managing students in Active Directory

For quite a long time, we have been running a local service called SkolniLogin.cz which primarily focused on providing SSO experience for various systems at schools (primary and high schools) along with automatic synchronization with the school’s information system. Throughout the time we have hit a lot of edge scenarios, and compiled a best practices guideline.

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