[exim-dev] [Bug 3095] New: Authenticator that proxies to an …

https://bugs.exim.org/show_bug.cgi?id=3095

            Bug ID: 3095
           Summary: Authenticator that proxies to an external IMAP server
           Product: Exim
           Version: 4.98
          Hardware: All
                OS: All
            Status: NEW
          Severity: wishlist
          Priority: medium
         Component: SMTP Authentication
          Assignee: jgh146exb@???
          Reporter: jgh146exb@???
                CC: exim-dev@???

IMAP uses SASL. After a conn setup to an IMAP server (which could be a TCP
conn
to a remote system), just proxying the AUTH data and responses should be
simple.
We'd want to notice the eventual good/bad status.

Enforcing TLS use, for remote conns combined with plaintext auth methods,
would be preferred.

Ref: https://www.ietf.org/rfc/rfc9051.html#name-authenticate-command


This would be usable against a remote Dovecot, which point was raised on
exim-users

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