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I managed to get it to work correctly. I wasn't added to the "wheel" group. I fixed it by running: sudo usermod -a -G wheel [user]


7

Because email is so pervasive, it would be prohibitively complex to authenticate on all the servers you may want to send to. You would need personal credential configured on each server you send email to. To complicate matters, the transports use an envelope address (similar to snail mail). There are a number of methods that can be used to make spoofing ...


2

E-mail authentication exists but has problems, especially with mailing lists. Two methods for authentication that are widely deployed are: DKIM, which signs each email with a RSA key. Some software (for example mailing lists) rewrite the email to some extent (for example by adding a footer). This invalidates the DKIM signature. SPF, where each domain ...


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The issue was not that multiple subrequests were being issues per a single request but that the S3 server being proxied to was responding with 206 Partial Content responses causing the client to issue subsequent requests to grab the rest of the content (which correctly needs to be reauithenticated via a new subrequest). This was not identified sooner ...


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I suppose you can add an init script checking for a particular USB device serial number or even a particular file on the thumb drive (is that what you call dongle?) and halting the system if the required element wasn't found. This page references various config files and scripts used during startup process. Personally I would start by creating an init.d ...


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Edit: As stated by @grawity, compliant application can handle such authentication scheme gracefully. Graphical issues are avoided by asking the two passwords in two successive steps (not the three fields "login / pass1 / pass2" as I encountered in a specific application using RSA SecureID, but the usual login/password screen followed by a second password ...



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