Re: [Exim] problem with email to aol.ca

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Autor: Dave C.
Data:  
Para: Tabor J. Wells
CC: Jim Pazarena, exim-users
Assunto: Re: [Exim] problem with email to aol.ca

# dig aol.ca mx

[ no mx record ]

# dig aol.ca a

aol.ca.            1068    IN    A    64.12.182.235



Ok, your sender-SMTP should connect to port 25 of 64.12.182.235

Using A records for mail isnt recommended, but many sites still use
them, and exims default routers will use them. If you choose to ignore
them, then you will not be able to mail to aol.ca and any other domains
which are setup like this. This is either your problem or their problem,
depending on who is more interested in the mail going through.

If the host at that IP address is down or not accepting SMTP
connections, then mail for aol.ca is as effectively down as if there was
one MX record for the domain pointing at that host.

If that is not the correct host that mail for aol.ca should go to, then
whoever runs that domains should correct their DNS (preferrably by using
MX records, but listing the IP of the correct host would be valid as
well)

The DNS may or may not be broken, but there shouldn'd be anything
special in your MTA needing to be done for that domain unless aol.ca is
_your_ domain or you provide mail service for it.

On Tue, 12 Mar 2002, Tabor J. Wells wrote:

> On Tue, Mar 12, 2002 at 02:10:58PM -0800,
> Jim Pazarena <exim@???> is thought to have said:
>
> > When doing a dig on aol.ca I find _no_ MX record for them, just an 'A'
> > record which points to www.aol.ca
> >
> > No wonder I get a disconnect ;-/
> >
> > The tech at aol tells me I should coax my mail server to speak to
> > aol.com
> >
> > This is bogus is it not? Can someone confirm that their (aol) DNS really
> > is incorrect, and in need to fixing _rather_ than my MTA ?
>
> Yes, the tech at AOL is telling you crap. AOL accepts mail for hundreds of
> domains. Take a look at the MX records for hbo.com and netscape.net. aol.ca
> should probably look something like that.
>
> When you say you spoke to a tech at AOL did you speak with someone at AOL's
> postmaster group contact number/address (703 265 4670/postmaster@???
> [IIRC]) or one of the first level tech support folks that help their end
> users?
>
> If it's the former, you should probably ask to speak with a manager since
> they clearly shouldn't be handling email issues.
>
> Tabor
>
> --
> --------------------------------------------------------------------
> Tabor J. Wells                                     twells@???
> Fsck It!                 Just another victim of the ambient morality

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



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