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4

Using email as a configuration distribution service is terrible. Using an external and uncontrolled server is even worse. As people already stated, you could trip the spam filters and get messages silently dropped, anybody could send emails to the account, the latency between a message being sent and received can be very high (and unpredictable), and other ...


4

It's unlikely that your account would be closed, however repetitive messages to and from the same address would likely trip their spam filters. This could make your system unreliable. There are some serious threats to the confidentiality, availability, and integrity with this model as you are using a public email service. You will need to make sure you are ...


15

From reading the disclosure, it seems what happens is that the open port isn't actually just a random port, but rather it is a port where a certain internal service that had never been designed to be exposed directly to the external world was listening on. If there is a vulnerability in that internal service, that might have allowed a possible attacker to ...



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