Date: Tue, 12 Jan 2021 17:53:22 +0100 From: Polytropon <freebsd@edvax.de> To: freebsd@boosten.org Cc: Peter Boosten via freebsd-questions <freebsd-questions@freebsd.org>, Ottavio Caruso <ottavio2006-usenet2012@yahoo.com> Subject: Re: Authoritative guide to configuring Sendmail to use a relay for outgoing mail on FreeBSD? Message-ID: <20210112175322.b35d6ea7.freebsd@edvax.de> In-Reply-To: <D73191D9-2E89-4C81-8636-DBD3CEAF5A6F@boosten.org> References: <rtkafk$mp8$1@ciao.gmane.io> <D73191D9-2E89-4C81-8636-DBD3CEAF5A6F@boosten.org>
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On Tue, 12 Jan 2021 15:58:35 +0100, Peter Boosten via freebsd-questions wrote: > Basically all my jails use another jail as mail hub: > > Change /etc/mail/freebsd.submit.mc to reflect the correct mail hub > > FEATURE(`msp', `[your.smart.host]', `MSA’)dnl > > Also configure the confDOMAIN_NAME and confHELO_NAME to reflect your > host/domain. > > Then run ‘make install’. > > In my /etc/rc.conf there’s this: > > sendmail_enable="NO" > sendmail_msp_queue_enable="YES" > sendmail_outbound_enable="NO" > sendmail_submit_enable=“NO" > > Then run ‘make restart’ in your /etc/mail directory. > > This basically makes the machine not accept email from outside (only > from the machine itself) and forwards everything to your smart host. In the past, I have been using my ISP's mail relay until they cut support for that. In order to have all outgoing messages to be sent through the ISP's relay (instead of having my own sendmail doing that, especially from behind a dynamic IP), I had the followint setting in /etc/mail/`hostname`.mc: define(`SMART_HOST', `mx.example.com') where mx.example.com is the mail relay I wanted to use, and it worked for all systems from within the network of the ISP. With a "make install", the setting was activated, and it worked for many happy years. :-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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