Does mail.domain.com need SSL? If so, why?
- Thread starter Sutra
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Yes, because you are still sending information to and from a server, so you want that connection to be secure
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SSL encrypts communication between the server and your browser/mail program. That way someone at your ISP cannot see the content of what is being transmitted. They just know you computer is communicating with mail.domain.com. If it was unencrypted they would be able to view your emails' content at the ISP level, node level, traveling though the internet pipes, at your cellphone tower level, or simply by reading communication going through the wifi air.
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@Sutra Check this out, it explains it well https://www.hacksplaining.com/exercises/unencrypted-communication