[Gllug] E-Mail screening and reverse DNS

[Ken Smith]

Casper Gasper wrote:

> On 10/06/06, Ken Smith <kens at kensnet.org> wrote:
>
>> Hi Guys, I run my own SMTP server {snip}
>> It's been working fine for a few years now {snip} However, one site I 
>> often send e-mail to has just recently
>> started rejecting my messages, {snip}
>> My guess is that the IT dept at the remote site have set up some
>> rigorous reverse DNS validation.{snip}
>
>
> Is there anything in your sendmail logs?  If not, try telneting to
> the mail server in question and manually connecting; you might get a
> more helpful error message.

Good idea, Telnetting gave a sucessful result ->

250 2.0.0 k5B7Votq019532 Message accepted for delivery

I'll see if it actually arrives

>
{snip}


>
> If you have a fixed IP, ask your ISP; they may change the rDNS to
> knetgate.kensnet.org.  If you don't have a fixed ip, that might well
> {snip}


No its fixed IP here. But I'll have a chat to Clara's DNS folks..or 
maybe redirect my outgoing mail via their smtp server.

> Casper.



Thanks

Ken

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