[AusNOG] Telstra not accepting incoming SMTP connections from relay

[Russell Langton]

Hi andrew,

Ive sent you an email.
On 30/10/2014 11:36 AM, "Andrew Hageman" <ahageman at gmail.com> wrote:

> Hey Fellas,
>
> Hoping someone can help with this (Telstra support certainly weren't any
> help).
>
> My company has a few mail servers which relay through a SPAM filtering
> host.  I can see on the spam filter host, that there are many messages
> stuck in the queue (some for 4+ days) that are destined for @telstra.com,
> @bigpond.com or @bigpond.net.au addresses.  These are not spam emails,
> these are legitimate emails from a few of our customers simply trying to
> email various different people who have telstra owned mailboxes.
>
> When the relay attempt occurs, the SMTP connection error message reads:
>
> lost connection with extmail.bigpond.com[61.9.168.122] while receiving
> the initial SMTP greeting
>
> This is for any Telstra bound email.  We have since re-IP'd our SPAM
> filter host which results in the same response.  It looks like Telstra are
> blocking inbound SMTP connections from our SPAM filter... does anyone have
> any ideas about how I can fix this or who I can speak to?
>
> Cheers,
>
> Andrew
>
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>
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