SV: Looking for a guide to collect all e-mail from the ISP mail server

Sebastian Nielsen sebastian at sebbe.eu
Tue Oct 27 17:25:32 EET 2020


>> Running an unmaintained mail server is a BAD thing.

Of course. You maintain it.

>>I think you are confusing gmail and google apps (or whatever it is called
now, seems to change all the time).

Google apps uses the same restrictions. What I recall, you can disable SPF
and DKIM checks for trusted sources, but you cannot disable reputation
checks.

>>Wow. That sounds sooooooper not secure.

How? Of course, you must have some sort of secure communication between the
access controller system, and the system that manages logins for the
computers and such. Then when you scan the badge at your personal office
space (where only you have access), the access controller tells the system
to automatically logon the computer.

Another way is to have a RFID card reader where you put the badge to login
computer, and remove badge to logout.
Also a easy and secure system, but requires lots of integration work if you
want to use it with third-party services.

If you have own in-house servers, you can just tell those servers to check
on-the-fly with the access control system if there is a valid card on the
reader before giving computer X access to account Y - making it secure,
since you can then not tamper with anything to bypass the auth check - the
server, which is located in secure space, formally asks the access
controller "master", which is also located in secure space, if user X is
authenticated at reader Y.

>>You cannot keep a mail server automatically updated, sorry. That is a
fantasy.

You can. Ubuntu have packages  with mail servers automatically updated.
However, sometimes manual intervention is required to change the config when
some security holes appear that cannot be resolved with patches.


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