2FA and IMAP

[Alvin Starr]

This is not multifactor authentication  and I am not sure if it will 
work but I was kicking around the idea of trying to use client 
certificates to insure that only mail clients with the proper client 
certificate  installed can connect.


On 4/23/19 2:46 PM, Christian Fontana wrote:
> Hi. But the documentation not seems to be complete. I was not able to 
> find an example or an explanation about how to restrict access to a 
> single IMAP account from a certain IP.
> May you point me to the righe page of documentation?
>
> thanks
>
>
> On Mon, 22 Apr 2019 at 19:14, Adam Tauno Williams 
> <awilliam at whitemice.org <mailto:awilliam at whitemice.org>> wrote:
>
>     On Sun, 2019-04-21 at 23:09 +0200, Marcus Schopen wrote:
>     > Hi,
>     >
>     > a friend wants to restrict access to his mailbox with 2FA. As
>     > webmailer I use Roundcube, which offers a 2FA plugin. But in the end
>     > this is pointless, because besides the webmailer there is also the
>     > native IMAP access available. Is it therefore possible to restrict
>     > the access to a single IMAP account to a certain IP so that this
>     > mailbox can only be accessed via the Roundcube?
>
>     I doubt it, but maybe.
>
>     All the authentication stuff is handled by SASL - not really Cyrus -
>     and SASL is deeply configurable.
>
>     https://www.cyrusimap.org/sasl/
>
>     -- 
>     Adam Tauno Williams, awilliam at whitemice.org
>     <mailto:awilliam at whitemice.org>
>     Multi-Modal Activists Against Auto Dependent Development
>     resisting the unAmerican socialists of the Motorist hegemony
>     http://www.mmaaadd.org
>     ----
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>
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-- 
Alvin Starr                   ||   land:  (647)478-6285
Netvel Inc.                   ||   Cell:  (416)806-0133
alvin at netvel.net              ||

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