You can configure a different IMAP Service in cyrus.conf for roundcube (differnt IP or port) and use pam with for authentication or block login for the other services wither cyrus denydb
Am 21. April 2019 23:09:06 MESZ schrieb Marcus Schopen <lists@xxxxxxxxxxxx>:
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?
Ciao!
Marcus
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