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From: jtorres on 13 Apr 2010 12:19
I opened up the properties of the IIS SMTP Server, Advanced tab, and put in
servername.domain.com and that appeared to stop the Undeliverables getting
generated and recipients can now receive our emails.

I imagine I have to add an SPF record to reduce the likelihood emails from
this server will be tagged as spam?

"Grant Taylor" wrote:

> Ken Schaefer wrote:
> > As John says, you need to configure SMTP server to send FQDN in the HELO
> > command. I think you can do this by going to My Computer -> Properties
> > -> Change Computer Name -> More button, and adding a domain name.
>
> No. That will change the computers membership in a domain. That has
> nothing to do with the FQDN that IIS's SMTP server uses.
>
> Open properties if the IIS SMTP server, go to the Delivery tab, click
> the Advanced button, and adjust the Fully-qualified domain name to suit.
>
> > FQDN doesn't have anything to do with AD per se.
>
> Correct.
>
> However what you were suggesting changes the computers membership with
> an AD (or NT4 / Samba) domain.
>
>
>
> Grant. . . .
> .
>
From: Ken Schaefer on 15 Apr 2010 08:29
An SPF record can assist. It all depends on what checks the remote
mailserver does. And if you are actually sending spam, then having an SPF
isn't going to stop someone at the other classifying your messages as spam
:-)

Cheers
Ken


"jtorres" <jtorres(a)discussions.microsoft.com> wrote in message
news:E6A4F78A-CB12-4B32-9B7A-03DD22184020(a)microsoft.com...
> I opened up the properties of the IIS SMTP Server, Advanced tab, and put
> in
> servername.domain.com and that appeared to stop the Undeliverables getting
> generated and recipients can now receive our emails.
>
> I imagine I have to add an SPF record to reduce the likelihood emails from
> this server will be tagged as spam?
>
> "Grant Taylor" wrote:
>
>> Ken Schaefer wrote:
>> > As John says, you need to configure SMTP server to send FQDN in the
>> > HELO
>> > command. I think you can do this by going to My Computer -> Properties
>> > -> Change Computer Name -> More button, and adding a domain name.
>>
>> No. That will change the computers membership in a domain. That has
>> nothing to do with the FQDN that IIS's SMTP server uses.
>>
>> Open properties if the IIS SMTP server, go to the Delivery tab, click
>> the Advanced button, and adjust the Fully-qualified domain name to suit.
>>
>> > FQDN doesn't have anything to do with AD per se.
>>
>> Correct.
>>
>> However what you were suggesting changes the computers membership with
>> an AD (or NT4 / Samba) domain.
>>
>>
>>
>> Grant. . . .
>> .
>>
From: Grant Taylor on 15 Apr 2010 12:59
On 04/15/10 07:29, Ken Schaefer wrote:
> And if you are actually sending spam, then having an SPF isn't going
> to stop someone at the other classifying your messages as spam :-)

I have seen systems incorrectly lower spam score if messages passed SPF
checks. So in that case, having an SPF record did help the spammer's
messages get through. Which is why doing this is so bad.



Grant. . . .
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