OT: DNS Configuration of Outbound Email

Chris Sweeney csweeney at OSUBUCKS.ORG
Thu May 5 14:51:46 IST 2005


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I have seen a few ISP's like that.  Most will reject it if your don't have
a PTR to your IP address that resolves to your hostname.

Chris

> I've got a user who's complaining that they can't send email to a
> particular
> domain.
>
> They're rejecting our connections because our host as announced in the
> ehlo
> doesn't have an A or MX record.
>
> Does this seem like a reasonable thing to require?
>
> Anyone know if it is required by an RFC?
>
> Seems like overkill to me since an outbound mail host isn't necessarily
> used
> for inbound email as well.
>
> I'll change my ways if it's required by an RFC though.
>
> Thanks,
>
> Derek
>
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Thanks
Chris Sweeney
513-290-8550 - Verizon
csweeney05 at vtext.com - Text MSG
csweeney at osubucks.org


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