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<p>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.</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 4/23/19 2:46 PM, Christian Fontana
wrote:<br>
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<blockquote type="cite"
cite="mid:CAO0+iX1eU=dUa9yeOagD-t6W38BitDTbdX9JUpPo8yWAsCLfng@mail.gmail.com">
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<div dir="ltr">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.
<div>May you point me to the righe page of documentation?</div>
<div><br>
</div>
<div>thanks</div>
<div><br>
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<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, 22 Apr 2019 at 19:14,
Adam Tauno Williams <<a
href="mailto:awilliam@whitemice.org" moz-do-not-send="true">awilliam@whitemice.org</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On
Sun, 2019-04-21 at 23:09 +0200, Marcus Schopen wrote:<br>
> Hi,<br>
> <br>
> a friend wants to restrict access to his mailbox with
2FA. As<br>
> webmailer I use Roundcube, which offers a 2FA plugin. But
in the end<br>
> this is pointless, because besides the webmailer there is
also the<br>
> native IMAP access available. Is it therefore possible to
restrict<br>
> the access to a single IMAP account to a certain IP so
that this<br>
> mailbox can only be accessed via the Roundcube?<br>
<br>
I doubt it, but maybe. <br>
<br>
All the authentication stuff is handled by SASL - not really
Cyrus -<br>
and SASL is deeply configurable.<br>
<br>
<a href="https://www.cyrusimap.org/sasl/" rel="noreferrer"
target="_blank" moz-do-not-send="true">https://www.cyrusimap.org/sasl/</a><br>
<br>
-- <br>
Adam Tauno Williams, <a href="mailto:awilliam@whitemice.org"
target="_blank" moz-do-not-send="true">awilliam@whitemice.org</a><br>
Multi-Modal Activists Against Auto Dependent Development<br>
resisting the unAmerican socialists of the Motorist hegemony<br>
<a href="http://www.mmaaadd.org" rel="noreferrer"
target="_blank" moz-do-not-send="true">http://www.mmaaadd.org</a>
<br>
----<br>
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<br>
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<pre class="moz-quote-pre" wrap="">----
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<pre class="moz-signature" cols="72">--
Alvin Starr || land: (647)478-6285
Netvel Inc. || Cell: (416)806-0133
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