RE: [Exim] How to treat SMTP error 550 (Relaying denied) as …

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著者: Dave C.
日付:  
To: David Searles
CC: Exim Users Mailing List
題目: RE: [Exim] How to treat SMTP error 550 (Relaying denied) as a temporary failure
I assume the ISP you are getting your dialup connectivity from is not
the same ISP you are getting your SMTP relay from - otherwise, they
should let you relay from their IP addresses. And I assume the ISP that
you are dialing from does not provide a reliable relay?

POP-before-SMTP is really a client-oriented setup for relay auth. If
you are running a mailserver, you should look into using AUTH-SMTP, or
get a static IP and get them to let you relay from that IP. (Or maybe
with the static IP, you can send directly) An intermittent/dynamic IP
connection is also really a designed to be used by individual clients -
a mailserver really should have better connectivity.


On Wed, 22 Nov 2000, David Searles wrote:

> While not "tied" to the ISP, we've otherwise had very good luck with them.
> We must use their relay because places like AOL and other huge mail
> recipients will not accept inbound SMTP from dynamically assigned IP
> addresses (like when we have exim connect directly to the recipient). In
> order to be able to send mail to everyone in the world and not have it
> bounce, we must relay thru the ISPs mailer.
>
> These 550's occur fairly rarely (once out of 750-1000 outbound mails;
> probably some timing window in their "POP before SMTP" implementation).
> Since the failures occur so rarely, I'd like exim to automatically retry the
> message as it will almost certainly be accepted the next attempt.
>
> > -----Original Message-----
> > From: Greg A. Woods [mailto:woods@weird.com]
> > Sent: Wednesday, November 22, 2000 2:49 PM
> > To: Exim Users Mailing List
> > Subject: Re: [Exim] How to treat SMTP error 550 (Relaying denied) as a
> > temporary failure
> >
> >
> >
> >
> >
> >
> >
> > [ On Wednesday, November 22, 2000 at 11:14:12 (-0500), David
> > Searles wrote: ]
> > > Subject: [Exim] How to treat SMTP error 550 (Relaying denied)
> > as a temporary
> > failure
> > >
> > > Because Exim correctly processes these as permanent errors, my users get
> > > delivery failure notifications and I must try to explain the problem and
> > > then ask them to re-send the messages (pretty embarassing!).
> >
> > You didn't say very much about why you're tied to this current ISP, or
> > why you've got to use their authorised outbound relay How about changing
> > ISPs and finding one that gives you raw IP access so that you don't have
> > to use an authorised out-bound relay?
> >
> > --
> >                                    Greg A. Woods

> >
> > +1 416 218-0098      VE3TCP      <gwoods@???>      <robohack!woods>
> > Planix, Inc. <woods@???>; Secrets of the Weird <woods@???>

> >
> > --
> > ## List details at
> http://www.exim.org/mailman/listinfo/exim-users Exim details
> at http://www.exim.org/ ##
>
>
>
> --
> ## List details at http://www.exim.org/mailman/listinfo/exim-users Exim details at http://www.exim.org/ ##
>


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