Date: Fri, 27 Feb 2009 11:12:18 -0500 From: Janos Dohanics <web@3dresearch.com> To: Kirk Strauser <kirk@strauser.com> Cc: freebsd-questions@freebsd.org Subject: Re: Disabling inbound email in a jail Message-ID: <200902271112.18992.web@3dresearch.com> In-Reply-To: <200902270949.22494.kirk@strauser.com> References: <200902270949.22494.kirk@strauser.com>
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On Friday 27 February 2009 10:49:22 am Kirk Strauser wrote: > I only want sendmail in a jail to do one thing: forward nightly reports > from root@localhost to a real account on another machine. What's the > proper way to configure this? By default, sendmail_enable="NO" in > /etc/rc.conf still gives a running sendmail that accepts mail from other > hosts: > > me@realhost$ echo foo | mail me@jail.example.com > > me@jail.example.com$ tail -f /var/log/maillog > Feb 27 09:43:37 jail.example.com sm-mta[86832]: n1RFhbBp086832: > from=<me@realhost>, size=735, class=0, nrcpts=1, > msgid=<20090227154335.877A442071@realhost>, bodytype=7BIT, proto=ESMTP, > daemon=Daemon0, relay=jail.example.com [10.0.5.70] > Feb 27 09:43:37 jail.example.com sm-mta[86833]: n1RFhbBp086832: > to=<me@jail.example.com>, delay=00:00:00, xdelay=00:00:00, mailer=local, > pri=30983, relay=local, dsn=2.0.0, stat=Sent > > However, if I set sendmail_enable="NONE", then I can't send outbound email > either: > > me@jail.example.com$ echo foo | mail me@realhost > me@jail.example.com$ tail -f /var/log/maillog > Feb 27 09:37:37 jail.example.com sendmail[86513]: n1RFbbg3086513: from=me, > size=28, class=0, nrcpts=1, > msgid=<200902271537.n1RFbbg3086513@jail.example.com>, relay=me@localhost > Feb 27 09:37:37 jail.example.com sendmail[86513]: n1RFbbg3086513: > to=me@realhost, ctladdr=me (1001/1001), delay=00:00:00, xdelay=00:00:00, > mailer=relay, pri=30028, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, > stat=Deferred: Connection refused by [127.0.0.1] > > What's the happy medium between "sendmail wide open" (eg > sendmail_enable="NO" (WTF?)) and "disabled mail system" (eg > sendmail_enable="NONE")? You might want to disable sendmail and use mail/ssmtp - it's meant for scenarios just like yours. -- Janos Dohanics
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