Date: Thu, 08 Jun 2006 13:57:08 +0100 From: Alex Zbyslaw <xfb52@dial.pipex.com> To: a@zeos.net Cc: freebsd-questions@freebsd.org Subject: Re: On mail principles Message-ID: <44881EA4.10207@dial.pipex.com> In-Reply-To: <20060608050653.GB757@localhost> References: <20060607172044.GG923@localhost> <71E6E95B-C77A-4563-863F-12E0BA8C78BD@mac.com> <20060608050653.GB757@localhost>
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a@zeos.net wrote: >On Wed, Jun 07, 2006 at 05:43:23PM -0400, Charles Swiger wrote: > > >>On Jun 7, 2006, at 1:20 PM, a@zeos.net wrote: >> >> >>>But this way is bad for local purposes: my MTA's diagnostic messages are sent >>>trough internet or lost at all, e. g. when my ADSL is in down. >>>(Moreover, my letters sent to other local users have non-local "envelope from" >>>address. Then local mail begin to go through external MTA.) >>> >>>What to do in such a situation? >>> >>> >>See the sendmail documentation [1] on MASQUERADE_AS(). >> >>-- >>-Chuck >> >>[1]: /usr/share/sendmail/cf/README, or check the FAQ from www.sendmail.org... >> >> > >That is not a proper feature because of different local users can use world >mail addresses with different hostnames. But masquerading is good only for >one domain. > > I believe newer postfixes have support for "masquerading" different local users with different external addresses when sending mail externally. Haven't tried it: just noted the feature in some email somewhere for future evaluation, so take with the usual pinch of salt. --Alex
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