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    From Ed Friedman@21:1/5 to All on Thu Jul 8 12:05:10 2021
    Has anyone successfully got OpenARC to work with sendmail on Linux? If
    so, how did you do that?

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  • From Grant Taylor@21:1/5 to Ed Friedman on Thu Jul 8 12:21:42 2021
    On 7/8/21 11:05 AM, Ed Friedman wrote:
    Has anyone successfully got OpenARC to work with sendmail on Linux? If
    so, how did you do that?

    I had OpenARC configured for a while.

    I ended up commenting it out as I found effectively no value in it. I
    came to this conclusion because it's so minimally deployed and the
    places that have deployed it don't have a way to learn who to trust or
    not trust.

    I'd love for the situation to change. But I'm not holding my breath for
    it to do so.

    I don't recall doing anything special to get it to work. It is
    exceedingly similar to DKIM as far as installation and configuration goes.



    --
    Grant. . . .
    unix || die

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  • From Alex Haut@21:1/5 to Ed Friedman on Thu Jul 8 14:58:23 2021
    On Thursday, July 8, 2021 at 1:05:13 PM UTC-4, Ed Friedman wrote:
    Has anyone successfully got OpenARC to work with sendmail on Linux? If
    so, how did you do that?

    I do. With OpenDKIM and OpenDMARC as well. Call me lazy, but I'm reusing users/groups.

    sendmail.mc:

    INPUT_MAIL_FILTER(`openarc', `S=inet:8893@localhost,F=T,T=R:2m')

    openarc.conf:

    AuthservID domain.com
    AutoRestart yes
    BaseDirectory /var/run/opendkim
    Canonicalization relaxed/relaxed
    Domain domain.com
    KeepTemporaryFiles no
    KeyFile /etc/opendkim/keys/default.private
    Mode sv
    PidFile /var/run/openarc.pid
    Selector default
    SignHeaders to,subject,message-id,date,from,mime-version,dkim-signature,arc-authentication-results
    SignatureAlgorithm rsa-sha256
    Socket inet:8893@localhost
    SoftwareHeader no
    Syslog Yes
    UserID opendkim:opendkim

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