Client Authentication

Doug Hardie bc979 at
Sun Mar 24 05:16:39 UTC 2013

On 23 March 2013, at 21:51, Mehmet Erol Sanliturk <m.e.sanliturk at> wrote:

> Using Static IP in the client side , and checking Static IP of the user may be a possibility :
> In that way , any message from another IP will not be accepted .
> If this is possible for your systems , it may be checked for usability .
> One difficulty is that each user should obtain a Static IP and can not connect to his/her ISP from another IP .
> Good side is that nobody can connect to ISP of the user from another IP : It supplies hardware security ( we are assuming that the user computer is not captured ) ..

That is an interesting idea, but unfortunately our users tend to travel a lot and need to be able to access mail from anywhere.  Also, static IPs can get quite expensive from some ISPs.  Our users are pretty much on fixed incomes and any expense is a hardship for them.

-- Doug

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