Date: Mon, 17 Mar 2008 00:26:07 +1030 From: Malcolm Kay <malcolm.kay@internode.on.net> To: Erik Trulsson <ertr1013@student.uu.se> Cc: freebsd-questions@freebsd.org Subject: Re: Network identity for sending mail. Message-ID: <200803170026.07732.malcolm.kay@internode.on.net> In-Reply-To: <20080316081607.GA19264@owl.midgard.homeip.net> References: <200803161817.47739.malcolm.kay@internode.on.net> <20080316081607.GA19264@owl.midgard.homeip.net>
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On Sun, 16 Mar 2008 06:46 pm, Erik Trulsson wrote: > On Sun, Mar 16, 2008 at 06:17:47PM +1030, Malcolm Kay wrote: > > The send-pr appears to assume that mail can and will be sent > > directly through sendmail or equivalent rather than inderctly through > > an ISP mail service. > > Does it not work if you configure sendmail to send via your ISP's mail > server? Sounds good, but how? > > > I can certainly successfully send mail directly > > via sendmail but as I don't have a static IP address or a registered > > name the (bogus?) name used is not able to be validated. So when I send-pr > > I get a returned mail message which includes the following: > > > > ----- The following addresses had permanent fatal errors ----- > > <FreeBSD-gnats-submit@freebsd.org> > > (reason: 450 4.7.1 <mail.whatnot.on.net>: Helo command rejected: Host not found) > > > > It seems most destinations are not so pedantic and accept the (bogus) name. > > > > Now if I set up sendmail with some registered name in place of mail.whatnot.on.net > > then I believe the message will be accepted. > > Perhaps, but most likely whatever name you supply will have to resolve to > the same IP it was sent from for it to be accepted. > > > > > So the question is would it be legitimate or fraudulent to set sendmail to work with > > the name of my ISP's mail server in the Helo command -- after all this is the rout that > > will be followed by any responses. > > > > Is there a better way around the difficulty. > > You could also use dynamic DNS (see e.g. www.dyndns.org) to get a real > hostname that sendmail (and other services) can use. Yes; somewhat cumbersome although it also gains some other advantages. Thank you, Malcolm
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