• Allow local senders only for specific accounts?

    From Thorsten Glaser@21:1/5 to All on Wed Apr 2 20:36:53 2025
    Hi,

    consider I have an alias that is used to distribute certain
    mail messages, on a server that is externally reachable and
    accepts mails to local accounts generally, but I don’t want
    to accept mails to that specific account (alias really) via
    the internet, only via /usr/sbin/sendmail or [::1].

    Is there a way to configure this?

    Thanks in advance,
    //mirabilos
    --
    „Cool, /usr/share/doc/mksh/examples/uhr.gz ist ja ein Grund,
    mksh auf jedem System zu installieren.“
    -- XTaran auf der OpenRheinRuhr, ganz begeistert
    (EN: “[…]uhr.gz is a reason to install mksh on every system.”)

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  • From Claus =?iso-8859-1?Q?A=DFmann?= @21:1/5 to All on Thu Apr 3 01:49:49 2025
    A really old web page has some examples:
    Protecting internal aliases against E-Mail from external addresses https://www.sendmail.org/%7Eca/email/protected.html

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