[ncolug] Re: Sendmail configuration

  • From: "M. Knisely" <charon79m@xxxxxxxxx>
  • To: ncolug@xxxxxxxxxxxxx
  • Date: Thu, 20 Mar 2008 15:23:26 -0400

He's emailing from gmail, and you can relay through gmail's mail server.

Mike K.

On Thu, Mar 20, 2008 at 7:08 AM, larry <larry@xxxxxxxxxxxx> wrote:

> I assumed he didn't have an ISP with a mail server, or he would already
> be using that.
>
> M. Knisely wrote:
> > I disagree... I run my own mail server without registering a domain
> > and the "big" domains have no problem with receiving my email.  I
> > don't even have a proper MX or PTR for the domain I use either.
> >
> > In order for the "big" domains to accept my email I need to relay
> > through a SERVER that has a valid PTR... to do that, I bounce my mail
> > through my ISP's mail server.  For me, that's Earthlink.  I use their
> > email serve to relay my mail and the "big" guys trust their mail
> > server so they trust my email.
> >
> > Also, I use a dynamic DNS service (Dyndns.org <http://Dyndns.org>) to
> > give me a domain where I actually receive email.  This domain is a
> > child off a domain they own, so it doesn't cost them anything and they
> > pass that cost (or lack there of) on to me.  As I stated previously,
> > they don't provide me an actual MX, so mail servers just send to the
> > acutal domain, and that works for me.
> >
> > What I would do is set your sent address to an actual address that you
> > monitor, that way you'll get bounces.  I'd also look into relaying
> > through a server with a valid PTR.
> >
> > Mike K.
> >
> > On Wed, Mar 19, 2008 at 7:26 PM, larry <larry@xxxxxxxxxxxx
> > <mailto:larry@xxxxxxxxxxxx>> wrote:
> >
> >     First, you should know that you can't expect to run a mail server
> >     without registering a domain name, plus a reverse (pointer) lookup
> for
> >     your IP address that matches your mailserver+domain name. Otherwise,
> >     mail from your server will be rejected by any of the "big" domains
> >     (AOL,
> >     Time Warner, etc.)
> >
> >     The means for individuals to be able to reasonably run their own
> mail
> >     servers are fading away quickly.
> >
> >     Your best bet would be to set yourself up with one of the free, or
> >     nearly free, hosting services. You can, for example, register a name
> >     and  then get an email-only ("parked") account at fatcow.com
> >     <http://fatcow.com>, for $5 per
> >     year. There are even cheaper, or completely free, alternatives.
> >
> >     Deepan wrote:
> >     > Hi All,
> >     > I am using sendmail via php mail function to send
> >     > emails. However few servers reject my mails with
> >     > the error 'Sender address rejected: Domain not
> >     > found', since mails from my server are sent as
> >     > email@xxxxxxxxxxxxxxxxxxxxx
> >     <mailto:email@xxxxxxxxxxxxxxxxxxxxx>. How do I change this
> >     > to a valid domain name ? We only own a public IP.
> >     > we dont really have a domain name, is it possible
> >     > to use IP ?
> >     > Regards
> >     > Deepan
> >     > Facebook Sudoku Solver:
> >     > http://apps.facebook.com/sudokusolver/
> >     > Sudoku Solver: http://www.sudoku-solver.net/
> >     > Home Page: http://www.codeshepherd/
> >     >
> >     >
> >     >
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> >     >
> >     >
> >     >
> >
> >     --
> >     "You can lead a horse to water, but you can't make him check his
> >     email..."
> >                                        Studio - D
> >
> >
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> >
> >
>
> --
> "You can lead a horse to water, but you can't make him check his email..."
>                                    Studio - D
>
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