Delivery to the following recipients has been delayed

24 Feb 2009 10:14 AM

Woody

I get the following email returned to me when i try to send to an AOL email
address;

Subject: Delivery Status Notification (Delay)

This is an automatically generated Delivery Status Notification.

THIS IS A WARNING MESSAGE ONLY.

YOU DO NOT NEED TO RESEND YOUR MESSAGE.

Delivery to the following recipients has been delayed

This only occurs when sending to AOL, every other email goes to the intended
recipients. I have checked with AOL that they are not blocking the domain and
they have said No, everything is fine at their end.
What am i missing?
Any help would be appreciated.
I can post more info if required, just don;t know what info to present.
Thanks in advance.

24 Feb 2009 3:01 PM

Lanwench [MVP - Exchange]

Woody <Wo***@discussions.microsoft.com> wrote:
Show quoteHide quote

> I get the following email returned to me when i try to send to an AOL
> email address;
>
> Subject: Delivery Status Notification (Delay)
>
> This is an automatically generated Delivery Status Notification.
>
> THIS IS A WARNING MESSAGE ONLY.
>
> YOU DO NOT NEED TO RESEND YOUR MESSAGE.
>
> Delivery to the following recipients has been delayed
>
> This only occurs when sending to AOL, every other email goes to the
> intended recipients. I have checked with AOL that they are not
> blocking the domain and they have said No, everything is fine at
> their end.
> What am i missing?
> Any help would be appreciated.
> I can post more info if required, just don;t know what info to
> present. Thanks in advance.

Does delivery eventually fail, and return an NDR?

Are you using a dynamic public IP address? That will cause tons of problems
with delivery - you should forward your outbound mail to a smarthost (such
as your ISP's SMTP server)

If you're using a static public IP, make sure it has a reverse lookup record
in DNS (your ISP would be the one to do this for you). Might ask them to
create it to match your primary MX record (e.g., mail.mydomain.com)

25 Feb 2009 10:10 AM

Woody

The message never gets to the recipient and the only bounce back is the one
detailed in the first post.
They are sending mail via DNS.
Would it make a difference to this problem if i change it to send via their
ISP's mail servers instead?

Show quoteHide quote

"Lanwench [MVP - Exchange]" wrote:

> Woody <Wo***@discussions.microsoft.com> wrote:
> > I get the following email returned to me when i try to send to an AOL
> > email address;
> >
> > Subject: Delivery Status Notification (Delay)
> >
> > This is an automatically generated Delivery Status Notification.
> >
> > THIS IS A WARNING MESSAGE ONLY.
> >
> > YOU DO NOT NEED TO RESEND YOUR MESSAGE.
> >
> > Delivery to the following recipients has been delayed
> >
> > This only occurs when sending to AOL, every other email goes to the
> > intended recipients. I have checked with AOL that they are not
> > blocking the domain and they have said No, everything is fine at
> > their end.
> > What am i missing?
> > Any help would be appreciated.
> > I can post more info if required, just don;t know what info to
> > present. Thanks in advance.
>
> Does delivery eventually fail, and return an NDR?
>
> Are you using a dynamic public IP address? That will cause tons of problems
> with delivery - you should forward your outbound mail to a smarthost (such
> as your ISP's SMTP server)
>
> If you're using a static public IP, make sure it has a reverse lookup record
> in DNS (your ISP would be the one to do this for you). Might ask them to
> create it to match your primary MX record (e.g., mail.mydomain.com)
>
>
>

25 Feb 2009 1:55 PM

Lanwench [MVP - Exchange]

Woody <Wo***@discussions.microsoft.com> wrote:

> The message never gets to the recipient and the only bounce back is
> the one detailed in the first post.

So you never get an NDR? What if you use message tracking?

> They are sending mail via DNS.

What about the static IP & PTR questions?

> Would it make a difference to this problem if i change it to send via
> their ISP's mail servers instead?

Maybe, but it would be better to find the cause. You might want to crank up
SMTP logging.

Show quoteHide quote

>
>
> "Lanwench [MVP - Exchange]" wrote:
>
>> Woody <Wo***@discussions.microsoft.com> wrote:
>>> I get the following email returned to me when i try to send to an
>>> AOL email address;
>>>
>>> Subject: Delivery Status Notification (Delay)
>>>
>>> This is an automatically generated Delivery Status Notification.
>>>
>>> THIS IS A WARNING MESSAGE ONLY.
>>>
>>> YOU DO NOT NEED TO RESEND YOUR MESSAGE.
>>>
>>> Delivery to the following recipients has been delayed
>>>
>>> This only occurs when sending to AOL, every other email goes to the
>>> intended recipients. I have checked with AOL that they are not
>>> blocking the domain and they have said No, everything is fine at
>>> their end.
>>> What am i missing?
>>> Any help would be appreciated.
>>> I can post more info if required, just don;t know what info to
>>> present. Thanks in advance.
>>
>> Does delivery eventually fail, and return an NDR?
>>
>> Are you using a dynamic public IP address? That will cause tons of
>> problems with delivery - you should forward your outbound mail to a
>> smarthost (such as your ISP's SMTP server)
>>
>> If you're using a static public IP, make sure it has a reverse
>> lookup record in DNS (your ISP would be the one to do this for you).
>> Might ask them to create it to match your primary MX record (e.g.,
>> mail.mydomain.com)

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